Ojo Outerwear Corporation can manufacture mountain climbing shoes for $45.17 per pair in variable raw material costs and $29.73 per pair in variable labor expense. The shoes sell for $210 per pair. Last year, production was 155,000 pairs. Fixed costs were $2.15 million. What were total production costs? What is the marginal cost per pair? What is the average cost? If the company is considering a one-time order for an extra 5,000 pairs, what is the minimum acceptable total revenue from the order? Explain.