Regarding ALV Subtotal

Dear Experts,

My query is i want subtotal in AlV report without displaying the line items.

Example:

First Field name

===== ====

A 1000

B 1000

====

2000

====

Output is coming like this

but the requirement is

First Field name

===== ====

A 0

B 0

====

2000

====

is there any possibility?

urgent...................