A company has many machines. The company needs one maintenance worker for every 10 machines. Each maintenance worker is paid a flat salary of $3,000. With respect to the number of machines, the maintenance cost is a:
A. true variable cost
B. fixed cost
C. step cost
D. mixed cost
Answer: C
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.