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单项选择题

John Jones has decided to go into the business of pro-ducing and selling boats. In order to begin this venture,he must invest $10 million in a boat production plant.The cost to produce each boat will be $7,000, and theselling price will be $20,000. Accounting for the costof the production plant, which of the following expres-sions represents the profit, in dollars, that John willrealize when xboats are produced and sold?
A.13,000x-10,000,000
B.27,000x-10,000,000
C.9,973,000x
D.20,000x
E.13,000x

A.The
B.13,000x-10,000,000
B.27,000x-10,000,000
C.9,973,000x
D.20,000x
E.13,000x
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