S = PRT/100. Where S is the income, P is the investment amount, R is the annual simple interest, and T is the investment period. When the principal is $y, what is the two-year return on investment?
1: When the principal is $1000, the profit of the one-year investment is $40.
2: y = 8000.
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: C