What amount did Jean earn from the commission on her sales in the first half of 1988 ? In 1988 Jean's commission was 5 percent of the total amount of her sales. The amount of Jean's sales in the second half of 1988 averaged $10,000 per month more than in the first half. _出国考试答疑器_GMAT

What amount did Jean earn from the commission on her sales in the first half of 1988 ?

In 1988 Jean's commission was 5 percent of the total amount of her sales.
The amount of Jean's sales in the second half of 1988 averaged $10,000 per month more than in the first half.

A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C、BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D、EACH statement ALONE is sufficient.

E、Statements (1) and (2) TOGETHER are not sufficient.

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