$amt = $myrow['InvoiceTotal'] * $rate;
if ($subprov > $myrow['break_pt'] && $myrow['provision2'] != 0)
$prov = $myrow['provision2'] * $amt / 100;
$amt = $myrow['InvoiceTotal'] * $rate;
if ($subprov > $myrow['break_pt'] && $myrow['provision2'] != 0)
$prov = $myrow['provision2'] * $amt / 100;