A firm can produce 450 gallons of milk per day with 4 workers and 500 gallons per day with 5 workers. The marginal product of the fifth worker expressed in gallons per worker per day, is:

The marginal product of fifth worker = 50 gallons.

Explanation:

4 workers produce = 450 gallons of milk

5 workers produce = 500 gallons of milk

The marginal product of fifth worker can be calculated by subtracting the total product when there are 4 workers from the total product when there are 5 workers.

The marginal product of fifth worker = 500 – 450 = 50 gallons.

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explanation:

answer; i believe the correct answer is (4.0);