A. You can use the metrics of a performance measure but not of a plan component in your expression.

B. An expression like Credit.Credit__Amount * SUM(Credit.Quantity) will be invalid because the application does not allow you to mix aggregate functions with nonaggregated transactional attributes in the same expression.

C. You can use the metrics of both plan components and performance measures in your expression.

D. You can use the metrics of a plan component but not of a performance measure in your expression.

E. An expression like Credit.Credit Amount * SUM(Credit.Quantity) will be valid because the application allows you to mix aggregate functions with nonaggregated transactional attributes in the same expression.