<TH ALIGN="right">Payment amount</TH>
<TD COLSPAN=7>
<TABLE><TR><TD BGCOLOR="#ffffff">
- $<INPUT TYPE="text" NAME="amount" SIZE=8 VALUE="<%=sprintf("%.2f",$balance)%>">
+<%=
+ $amt = $balance;
+ $amt += $amt * $credit_card_surcharge_percentage/100
+ if $credit_card_surcharge_percentage > 0;
+ '';
+%>
+ $<INPUT TYPE="text" NAME="amount" SIZE=8 VALUE="<%=sprintf("%.2f",$amt)%>">
</TD></TR></TABLE>
</TD>
</TR>