Marginal revenue product is the: a. change in total output resulting from a unit change in the quantity of a variable input. b. price of the output multiplied by the total units of output produced. c. change in total cost resulting from a unit change in the quantity of a variable input. d. ratio of total revenue to the quantity of a variable input employed. e. change in total revenue resulting from a unit change in the quantity of a variable input.

Solomon chemical company makes three products, b7, k6, and x9, which are joint products from the same materials. in a standard batch of 320,000 pounds of raw materials, the company generates 70,000 pounds of b7, 150,000 pounds of k6, and 100,000 pounds of x9. a standard batch costs $3,840,000 to produce. the sales prices per pound are $10, $14, and $20 for b7, k6, and x9, respectively. (a) allocate the joint product cost among the three final products using weight as the allocation base. (b) allocate the joint product cost among the three final products using market value as the allocation base. (c) allocate the joint product cost among the three final products using weight as the allocation base.