Which Level of Detail (LOD) expression should you use to calculate tie grand total of all the regions?

You have the following dataset.

Which Level of Detail (LOD) expression should you use to calculate tie grand total of all the regions?
A . {FIXED: [Region] SUM Sales}
B. {FIXED: SUM Sales}
C. {Fixed: [Region]: TOTAL Sales}
D. {FIXED: TOTAL (Sales)}

View Answer

Answer: B