$.$ With equipment and facility rental costs of $$525/$month and employee wages of $$120/$week per employee, Trevor$$s Lawn Service has a contribution margin of $$2,640$ on monthly revenue of

$$3,175.$ What are Trevor$$s Lawn Service$$s monthly variable costs?

A$.$ $$1,005$

B$.$ $$535$

C$.$ Cannot be determined without knowing how many employees.

D$.$ Cannot be determined without knowing the number of monthly sales $($lawns mowed$)$

ANS: