TOTAL in report

Hi, in the invoice, report are great you tell me how much invoice i have paid, due, passdue and so on. When you hover on a particular color in the graph it said how namy invoice are inthis part… NICE… but a really usefull thing to know is THE AMOUNT that is paid, due etc.etc….. can you add this please in the next release. in the loop that count then invoice of a particular status, you have the amout, just put a variable that increment, and show it up…. thanks in advance.