What should you create to meet the reporting requirements of the sales department?
A . a calculated column that use a formula of couMTA(Sales[sales_id]>
B . a calculated measure that uses a formula of couNTROws(Sales)
C . a calculated column that uses a formula of suM(Sales[sales_id])
D . a measure that uses a formula of sw-i(Sales[sales_id])
Answer: B