The Following Question Are Based on the Following Information

Multiple Choice

The following question are based on the following information:
A firm uses inputs of labor, fertilizer, and land to produce strawberries (which are sold to wholesalers and processors) . The quantity of land used is fixed at eight acres per season and the production function implies the relationships in the following table:

-The marginal product of the fourth unit of labor is ________ bushels.

A) 1,000
B) 2,000
C) 3,100
D) 3,500
E) 4,000