Consider the case of a Tshirt shop for which the following data apply: Rent = $200/day Labor

Question:

Consider the case of a Tshirt shop for which the following data apply: Rent = $200/day; Labor cost = $4/shirt; and Output (sales) = 40 Tshirts / day. Using these data and the information contained in the News Wire "Competitive Pressure" compute:
(a) Total revenue per day.
(b) Average total cost.
(c) Per unit profit.
(d) Total profit per day?