The revenue in dollars from the sale of x units of a product is represented by the following formula. (Round your answers to the nearest whole number.) R = 10(2x + 1) - 1 + 65x - 12 A. Find the marginal revenue when 20 units are sold. $ B. Interpret your result. If the sales go from 20 units sold to units sold, the revenue will increase by about $ .
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