Chuck Justice operates a Competition Go-Kart racing track on his 40-acre ranch in Monterey County California, just a short distance from world famous Laguna Seca The facility includes a 1.5-mile track, 60 pitstop work stations each with a covered shop work ares, piped in pressurized air, deep sinks with running water and cleaning solvent, 110-220 electrical service, and beaches for working on tuning up, changing engines and tires, etc. on the Go-Karts Fixed Operating Costs are as follows: Depreciation on the facilities $6,000 per 2ear Real estate taxes $4,200 per year. Utilities average $350 per month General track and facility maintenance averages $150 per month. Chuck's son is employed to operate and maintain the facilities at an annual salary of $36,675 Variable Operating Costs are as follows: Engineering students from Monterey Peninsula College work as intems. One engineering student can be assigned to an many as 6 pitstop workstations to trouble sheet and provide ideas regarding sprocket ratios, engine issues, track temperature tire pressure, etc. As an intern they are paid $30 per work station per day Go-Kart owners rent a pitstop week station for $75 per day Instructions (a) Determine the number of pittlep workstation rentals sad also the amount ofresme Chuck needs to break eves wing the contribution margin technique (be if the cunere level of pitstop workstation rentals is 1,410 per year calculate the margin of safety (c) Chuck is considering upgrading the track and pitstop facilities to attract more business and increase prices. This will add an additional $20,375 to the current fixed costs. Chuck feels he can increase the daily pitstop workstation space to $80 per Go-Kart owner per day. Determine the number of pitstop workstation rentals and the amount of revenue Chuck needs to break even if the changes are made.