# (above the remaining taxable charge amount). We'll "de-exempt"
# that much, or the amount of the new credit, whichever is smaller.
if ($amount > $credit_per_month) {
# (above the remaining taxable charge amount). We'll "de-exempt"
# that much, or the amount of the new credit, whichever is smaller.
if ($amount > $credit_per_month) {