Business Financial Calculator
function calculateFinancials() {
const revenue = parseFloat(document.getElementById(“revenue”).value);
const expenses = parseFloat(document.getElementById(“expenses”).value);
const taxRate = parseFloat(document.getElementById(“taxRate”).value) / 100;
const profitMargin = parseFloat(document.getElementById(“profitMargin”).value) / 100;
if (isNaN(revenue) || isNaN(expenses) || isNaN(taxRate) || isNaN(profitMargin)) {
alert(“Please enter valid numbers in all fields.”);
return;
}
const netIncome = (revenue – expenses) * profitMargin;
const taxAmount = netIncome * taxRate;
document.getElementById(“netIncome”).value = netIncome.toFixed(2);
document.getElementById(“taxAmount”).value = taxAmount.toFixed(2);
}
