let loanSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateLoan(){ loanSteps=””; const price = parseFloat(document.getElementById(“motorcyclePrice”).value); const down = parseFloat(document.getElementById(“downPayment”).value); const term = parseInt(document.getElementById(“loanTerm”).value); const rate = parseFloat(document.getElementById(“interestRate”).value)/100; if(isNaN(price) || isNaN(down) || isNaN(term) || isNaN(rate) || price <= 0 || term <= 0 || rate < 0){ alert("Please enter valid positive values for all fields."); return; } const loanAmount = price – down; const interest = loanAmount * rate; const monthlyPayment = (loanAmount + interest) / term; document.getElementById("monthlyPayment").value = formatCurrency(monthlyPayment); document.getElementById("totalInterest").value = formatCurrency(interest); document.getElementById("totalLoanAmount").value = formatCurrency(loanAmount + interest); loanSteps += `Inputs:
Price: ${formatCurrency(price)}
Down Payment: ${formatCurrency(down)}
Loan Term: ${term} months
Interest Rate: ${(rate * 100).toFixed(1)}%

`; loanSteps += `Formulas:
Loan Amount = Price – Down Payment
Interest = Loan Amount × Interest Rate
Monthly Payment = (Loan Amount + Interest) ÷ Term

`; loanSteps += `Results:
Monthly Payment: ${formatCurrency(monthlyPayment)}
Total Interest: ${formatCurrency(interest)}
Total Loan Amount: ${formatCurrency(loanAmount + interest)}
`; if(document.getElementById(“calculationStepsLoan”).style.display === “block”){ document.getElementById(“calculationStepsLoan”).innerHTML = loanSteps; } } function resetLoan(){ document.querySelectorAll(“#calculator input”).forEach(el=>el.value=””); loanSteps=””; document.getElementById(“calculationStepsLoan”).innerHTML=”

Not calculated yet.

“; } function toggleLoanSteps(){ const s = document.getElementById(“calculationStepsLoan”); const a = document.getElementById(“toggleArrowLoan”); if(s.style.display === “none” || s.style.display === “”){ s.style.display = “block”; a.style.transform = “rotate(180deg)”; s.innerHTML = loanSteps || “

Not calculated yet.

“; } else { s.style.display = “none”; a.style.transform = “rotate(0deg)”; } } function formatCurrency(n){ return currencySymbol + n.toFixed(2) + ” ” + fixedCurrency; }