K-Too Everwear Corporation can manufacture mountain climbing shoes for $13.8 per pair in variable raw material costs and $13.06 per pair in variable labor expense. The shoes sell for $131 per pair. Last year, production was 110,000 pairs. Fixed costs were $780,000. a. What were total production costs? b. What is the marginal cost per pair? d. If the company is considering a one-time order for an extra 10,000 pairs, what is the minimum acceptable total revenue from the order