Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
-(Figure and Table: Variable, Fixed, and Total Costs) Look at the figure and table Variable, Fixed, and Total Costs. The marginal cost of increasing production from 84 to 91 bushels of wheat is:

A) $13.00.
B) $19.78.
C) $22.22.
D) $28.57.