print layout design

hi friends,

using print layout design i am getting reports for a purchased item with all types of taxes included.

i want to display the total cost of same purchased items but more than one and each purchased items having different taxes included with it.

Example:

product1:

cost price:Rs100

tax:4%

total cost price:Rs104

Product1:

cost price:Rs100

tax:5%

total cost price:Rs105

i want to have final report as:

product1

total cost price:Rs209.

in 2005 .B version

so please help me out....

regards,

varalakshmi.