The following data are provided:

Number of units produced Total cost Average costs

10 320,000

11 322,000

12 325,000

13 329,000

14 334,000

15 340,000

a. Fill in the space for the average cost

b. What is the marginal cost between the 13^th and the 14^th unit.

c. Suppose an order arrives for a 16^th unit and the total cost amounts to 350,000, will you accept the order? Why or why not?