<html><body>
<?PHP
if (isset($_POST['submit'])) {
$selected_radio = $_POST["operation"];
if ($operation == "installment")
{
//computation
$SubTotal = $_POST["price1"] + $_POST["price2"] + $_POST["price3"] + $_POST["price4"];
$TotalUnit = $_POST["unit1"] + $_POST["unit2"] + $_POST["unit3"] + $_POST["unit4"];
$downpayment = ($TotalUnit * 920) + 4000;
$Fullprice = $SubTotal + 4000;
$PerSemPrice = $Fullprice - $downpayment;
//display
echo "Subtotal: " . $SubTotal . "<br/>";
echo "Mics: 4000" . "<br/>";
echo "Full Price: " . $Fullprice . "<br/>";
echo "Downpayment: " . $downpayment . "<br/>";
echo "Per Semestral price" . $PerSemPrice;
}else if
($operation = "fullpayment") {
//computation
$SubTotal = $_POST["price1"] + $_POST["price2"] + $_POST["price3"] + $_POST["price4"];
$TotalUnit = $_POST["unit1"] + $_POST["unit2"] + $_POST["unit3"] + $_POST["unit4"];
$Discountprice = $TotalUnit * 800;
$Fullpayment = ($SubTotal - $Discountprice ) + 4000;
//display
echo "Subtotal: " . $SubTotal . "<br />";
echo "Mics: 4000" . "<br/>";
echo "Discounted Price: " . $Discountprice . "<br />";
echo "Full Payment Price: " . $Fullpayment;
}
}
?>
</body>
</html>