Which Transact-SQL statement should you run?

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You create a table by running the following Transact-SQL statement:

You are developing a report that displays customer information. The report must contain a grand total column.
You need to write a query that returns the data for the report.
Which Transact-SQL statement should you run?

A.

B.

C.

D.

E.

F.

G.

H.

Explanation:
Calculate aggregate column through AVG function and GROUP BY clause.