Consider the accompanying breakeven graph for an investment, and answer the following questions.
(a) Give the equation for total revenue for x units per year.
(b) Give the equation for total costs for x units per year.
(c) What is the "breakeven" level of x?
(d) If you sell 1500 units this year, will you have a profit or loss? How much?
(e) At 1500 units, what are your marginal and average costs?