Company pay rent of machine depend on hours usage this cost is:

B (variable cost). It would increase with higher usage and vice versa.

b->>>>>>>>>>>>>>>>>>>>>>>> variable cost

b) Variable Cost.

Variable costs are those costs that vary depending on a company's production volume; they rise as production increases and fall as production decreases

B is the right answer-Variable Cost

Correct Answer is Variable Cost.....................

correct answer is variable cost 

variable cost as it varies the no of hours run.

Variable Cost (hours usage )

Answer is A- Fixed Cost

This Rent Will be a Variable Cost

C. mixed cost or step up cost, it means if company is going to increase its production then usage of machinery would increase,so extra cost incurred so called step up cost