script logic calculation

Hi,

i need to write below logic in script logic, with out using MDX statements.

Logic: ACCOUNT PROFIT = REVENUE - COST

I can write like,

*when ACCOUNT

*IS revenue

*REC(EXPRESSION=([ACCOUNT].[REVENUE]-[ACCOUNT].[COST]),ACCOUNT = PROFIT)

*ENDWHEN

but here I am using MDX statements inside REC statement.

please help me in writing this logic using script logic and with out MDX statements.