Sum fields in report

Hi All,

I asked a question last week, and maybe was a little confusing, so trying again. Two of the fields in the table that categorize data are divisions and purchasetype. Each purchase has both a division category and a purchasetype category, as well as an amount. I'm creating a report and would like to have a text box that has the total of each combination of divisions/purchasetypes, i.e., divisionA/purchasetypeB, divisionC/purchasetypeM, etc. Each text box would have the total for a certain division/purchasetype combination. Also, I would like to filter the record for a certain time period (each record has date field). How can I do this?

Thanks,
Bruce