Which statement is true regarding the outcome?

Examine the structure of the orders table:

You want to find the total value of all the orders for each year and issue the following
command:

Which statement is true regarding the outcome?

A.
It executes successfully and gives the correct output.

B.
It gives an error because the TO_CHAR function is not valid.

C.
It executes successfully but does not give the correct output.

D.
It gives an error because the data type conversion in the SELECT list does not match the
data type conversion in the GROUP BY clause.