GMAT Data Sufficiency
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Source: OG11th
Level: 3
What amount did Jean earn from the commission on her sales in the first half of 1988 ?
(1)In 1988 Jean's commission was 5 percent of the total amount of her sales.
(2)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 statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- D EACH statement ALONE is sufficient.
- E Statements (1) and (2) TOGETHER are NOT sufficient.