Question 16 of 20
5.0 Points
If a firm increases its activity level,
A. costs should remain the same.
B. most costs will rise.
C. no costs will remain the same.
D. some costs will change, others will remain the same.
Question 17 of 20
5.0 Points
Which of the following is not a mixed cost?
A. Car rental fee
B. Electricity