Use your knowledge of cost functions to calculate the missed cost data in the accompanying table. Round your answers to two digits after the decimal. Marginal Fixed Variable Total Average fixed Average variable Average total Quantity cost cost cost cost cost cost 0 --- $45.00 cost $68.00 3 $105.00 $20.00 $360.00 What is the total cost when producing zero units? total cost: $ 20 What is the marginal cost for the first unit? marginal cost: $ marginal cost: S 45 45 What is the average total cost when producing three units? average total cost: SC average total cost: $ What is the average variable cost when producing four units? average variable cost: $