Please enter valid numbers. Ensure percentages do not sum to more than 100%.

'; downloadPdfButton.style.display = 'none'; // Switch to results tab to show error document.getElementById('rcss-input-tab').classList.remove('active'); document.getElementById('rcss-results-tab').classList.add('active'); document.querySelector('.rcss-tab-button[data-tab="input"]').classList.remove('active'); document.querySelector('.rcss-tab-button[data-tab="results"]').classList.remove('active'); return; } const amount5Year = totalBuildingCost * (percent5Year / 100); const amount7Year = totalBuildingCost * (percent7Year / 100); const amount15Year = totalBuildingCost * (percent15Year / 100); const allocatedToShortLife = amount5Year + amount7Year + amount15Year; const remaining39YearBasis = totalBuildingCost - allocatedToShortLife; const bonusPercentage = getBonusPercentage(studyYear); const totalBonusDepreciation = allocatedToShortLife * (bonusPercentage / 100); // Remaining basis after bonus for regular depreciation const remaining5YearBasis = amount5Year - (amount5Year * (bonusPercentage / 100)); const remaining7YearBasis = amount7Year - (amount7Year * (bonusPercentage / 100)); const remaining15YearBasis = amount15Year - (amount15Year * (bonusPercentage / 100)); // Simplified Year 1 MACRS Regular Depreciation Rates (approximate for estimation) // Assumes Half-Year Convention for 5, 7, 15 year and Mid-Month for 39 year (using an average) const rateYear1_5Year = 0.20; // 200% DB, Half-Year const rateYear1_7Year = 0.1429; // 200% DB, Half-Year const rateYear1_15Year = 0.05; // 150% DB, Half-Year const rateYear1_39Year = 0.025; // Straight-Line, Average Mid-Month (~2.5%) // Calculate Year 1 Regular Depreciation on Remaining Basis const regularDepYear1_5Year = remaining5YearBasis * rateYear1_5Year; const regularDepYear1_7Year = remaining7YearBasis * rateYear1_7Year; const regularDepYear1_15Year = remaining15YearBasis * rateYear1_15Year; const regularDepYear1_39Year = remaining39YearBasis * rateYear1_39Year; // Total Year 1 Depreciation WITH Cost Segregation const totalDepYear1WithStudy = totalBonusDepreciation + regularDepYear1_5Year + regularDepYear1_7Year + regularDepYear1_15Year + regularDepYear1_39Year; // Total Year 1 Depreciation WITHOUT Cost Segregation (39-year straight-line on full basis) const totalDepYear1WithoutStudy = totalBuildingCost * rateYear1_39Year; // Estimated Additional Depreciation in Year 1 const additionalDepYear1 = totalDepYear1WithStudy - totalDepYear1WithoutStudy; let resultsHTML = ''; resultsHTML += '

Input Details

'; resultsHTML += `

Total Building Cost Basis: ${totalBuildingCost.toFixed(2)} $

`; resultsHTML += `

Year Study is Applied: ${studyYear}

`; resultsHTML += `

Estimated Percentage Allocation: 5-Year (${percent5Year.toFixed(1)}%), 7-Year (${percent7Year.toFixed(1)}%), 15-Year (${percent15Year.toFixed(1)}%)

`; resultsHTML += '

Estimated Allocations

'; resultsHTML += ''; resultsHTML += ''; resultsHTML += ''; resultsHTML += ``; resultsHTML += ``; resultsHTML += ``; resultsHTML += ``; resultsHTML += '

Category	Recovery Period	Allocated Amount ($)
5-Year Property	5 Years	${amount5Year.toFixed(2)}
7-Year Property	7 Years	${amount7Year.toFixed(2)}
15-Year Property	15 Years	${amount15Year.toFixed(2)}
Building Structure	39 Years	${remaining39YearBasis.toFixed(2)}

'; resultsHTML += '

Estimated Depreciation

'; resultsHTML += `

Applicable Bonus Depreciation Rate (for ${studyYear}): ${bonusPercentage}%

`; resultsHTML += `

Estimated Total Bonus Depreciation: ${totalBonusDepreciation.toFixed(2)} $

`; resultsHTML += '

Year 1 Depreciation Comparison

'; resultsHTML += ''; resultsHTML += ''; resultsHTML += ''; resultsHTML += ``; resultsHTML += ``; resultsHTML += '

Scenario	Year 1 Depreciation ($)
Without Cost Segregation (39-Year SL)	${totalDepYear1WithoutStudy.toFixed(2)}
With Estimated Cost Segregation Study	${totalDepYear1WithStudy.toFixed(2)}

'; resultsHTML += '

Estimated Benefit

'; resultsHTML += ''; resultsHTML += `

Disclaimer and Limitations:

• This calculator provides an estimate and is **not** a substitute for a full, site-specific cost segregation study performed by qualified professionals.
• The estimated percentage allocations are based on user input. Actual allocations require detailed engineering analysis.
• The depreciation calculations use simplified Year 1 MACRS rates and conventions for estimation purposes. Actual depreciation may vary.
• Bonus depreciation eligibility and rates are subject to tax law. This tool uses the rates for 2023-2026.
• Consult with a qualified tax professional to determine if a cost segregation study is appropriate for your property and to understand the full tax implications.

`; resultsOutput.innerHTML = resultsHTML; downloadPdfButton.style.display = 'inline-block'; // Show download button // Switch to results tab document.getElementById('rcss-input-tab').classList.remove('active'); document.getElementById('rcss-results-tab').classList.add('active'); document.querySelector('.rcss-tab-button[data-tab="input"]').classList.remove('active'); document.querySelector('.rcss-tab-button[data-tab="results"]').classList.add('active'); }); // --- PDF Download Functionality --- downloadPdfButton.addEventListener('click', async function() { // The element to convert to PDF is the results output div const element = document.getElementById('rcss-results-output'); // Create a clone of the element to avoid modifying the visible DOM const elementToPrint = element.cloneNode(true); elementToPrint.style.width = '800px'; // Set a specific width for PDF rendering elementToPrint.style.padding = '20px'; elementToPrint.style.backgroundColor = '#fff'; // Ensure background is white in PDF elementToPrint.style.color = '#333'; // Ensure text color is dark elementToPrint.style.fontSize = '10pt'; // Adjust font size for PDF // Apply styles to cloned tables const tables = elementToPrint.querySelectorAll('.rcss-results-table'); tables.forEach(table => { table.style.width = '100%'; table.style.borderCollapse = 'collapse'; const ths = table.querySelectorAll('th'); ths.forEach(th => { th.style.border = '1px solid #dee2e6'; th.style.padding = '8px'; th.style.backgroundColor = '#e9ecef'; th.style.color = '#333'; th.style.textAlign = 'left'; }); const tds = table.querySelectorAll('td'); tds.forEach(td => { td.style.border = '1px solid #dee2e6'; td.style.padding = '8px'; td.style.textAlign = 'left'; }); // Apply row background colors const rows = table.querySelectorAll('tbody tr'); rows.forEach((row, index) => { if (index % 2 === 1) { // Odd index is the second row, fourth, etc. (even rows visually) row.style.backgroundColor = '#f8f9fa'; } else { row.style.backgroundColor = '#fff'; } }); // Apply color classes for amounts const amountCells = table.querySelectorAll('td .rcss-amount, td .rcss-amount-negative'); amountCells.forEach(span => { // Note: The span *inside* the td gets the color if (span.classList.contains('rcss-amount')) { span.style.color = '#28a745'; // Success green } else if (span.classList.contains('rcss-amount-negative')) { span.style.color = '#dc3545'; // Danger red } span.style.fontWeight = 'bold'; }); // For the Depreciation Comparison table, the td itself has the class const depCompAmounts = table.querySelectorAll('td.rcss-amount'); depCompAmounts.forEach(td => { td.style.color = '#28a745'; // Success green td.style.fontWeight = 'bold'; }); // Handle responsive table headers in PDF if needed (less critical for PDF) }); // Style summary box for PDF const summaryBox = elementToPrint.querySelector('.rcss-summary-box'); if(summaryBox) { summaryBox.style.border = '1px solid #007bff'; summaryBox.style.padding = '15px'; summaryBox.style.marginTop = '20px'; summaryBox.style.borderRadius = '5px'; summaryBox.style.backgroundColor = '#e9f5ff'; } const summaryItems = elementToPrint.querySelectorAll('.rcss-summary-item'); summaryItems.forEach(item => { item.style.marginBottom = '10px'; item.style.paddingBottom = '5px'; item.style.borderBottom = '1px dashed #cce5ff'; }); const summarySummarySpan = elementToPrint.querySelector('.rcss-summary-item span.rcss-amount'); if (summarySummarySpan) { summarySummarySpan.style.color = '#28a745'; summarySummarySpan.style.fontWeight = 'bold'; } // Append cloned element to body temporarily for html2canvas document.body.appendChild(elementToPrint); try { const canvas = await html2canvas(elementToPrint, { scale: 2, // Increase scale for better resolution logging: false, // Disable logging useCORS: true // Enable CORS if images are involved (unlikely here) }); const imgData = canvas.toDataURL('image/png'); const pdf = new window.jspdf.jsPDF({ orientation: 'p', unit: 'mm', format: 'a4' }); const imgWidth = 210 - 20; // A4 width minus margins (10mm each side) const pageHeight = 297; // A4 height const imgHeight = canvas.height * imgWidth / canvas.width; let heightLeft = imgHeight; let position = 10; // Top margin pdf.addImage(imgData, 'PNG', 10, position, imgWidth, imgHeight); heightLeft -= pageHeight - 10; // Deduct height of the first page content while (heightLeft >= 0) { position = heightLeft - imgHeight + 10; // Calculate position for next page pdf.addPage(); pdf.addImage(imgData, 'PNG', 10, position, imgWidth, imgHeight); heightLeft -= pageHeight; } pdf.save('Cost_Segregation_Estimate_Results.pdf'); } catch (error) { console.error('Error generating PDF:', error); alert('Could not generate PDF. Please try again.'); } finally { // Remove the temporary cloned element document.body.removeChild(elementToPrint); } }); });