A manufacturer hires temporary workers in its production plant to produce electric cars. The fixed costs are $300,000 for the depreciation of the facility and $80,000 for utilities. The only variable cost is $20 per hour of labor hired. The production of each car requires 50 hours of labor. Currently, the market price of the electric car is $20,000.

TR (Total revenue) = _____Q + ______

Total Costs (TC)= _____Q + ______

Total Profit = TR-TC= _______Q - ______

Average profit= _________ -________/Q

Marginal Profit= _____