Which of Company X and Company Y earned the greater gross profit last year?
(1) Last year the expenses of Company X were ~$\frac{5}{6}$~ of the expenses of Company Y.
(2) Last year the revenues of Company X were $6 million less than the revenues of Company Y.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
没注意看到是profit,两个条件分别给的一个成本,一个是收入