Suppose there are three power-generating plants, each of which has access to 5 different production processes. The table below summarizes the cost of each production process and the corresponding number of tons of smoke emitted each. Process(smoke/day) A(4 tons/day) B(3 tons/day) C(2 tons/day) D(1 ton/day) E(0 tons/day) Cost to Firm X ($/day) $500$514$530$555$585 Cost to Firm Y ($/day) $400$420$445$480 $520Cost to Firm z ($/day) $300$325$360$400 $550It would cost Firm X ________ to reduce emissions by one ton if it currently emits 3 tons, and ________ to reduce emissions by one ton if it currently emits 2 tons.

A. $14; $25
B. $14; $16
C. $30; $55
D. $16; $25


Answer: D

Economics

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