Hello, can you please guide me through how to solve for P and break even on this problem?

Hello, can you please guide me through how to solve for P and break even on this problem?

A contractor purchases a backhoe for $38900. Fuel and standard maintenance cost $6.05 per hour, and the operator is paid $14.77 per hour.

b. If customers pay $32.9 per hour for the contractor's backhoe service, write the revenue function