The following data have been extracted from the records of Puzzle Incorporated: Production level, in units Variable costs Fixed costs Mixed costs February 9,700 August 19,400 $ 24,250 ? $ 7 39,300 21,981 ces Total costs Required: a. Calculate the missing costs. $ 85,531 $ 126,562 b. Calculate the cost formula for mixed cost using the high-low method. c. Calculate the total cost that would be incurred for the production of 15,243 units. d. Identify the two key cost behavior assumptions made in the calculation of your answer to part c. Complete this question by entering your answers in the tabs below. Required A Required B Require C Required D Calculate the total cost that would be incurred for the production of 15,243 units. Note: Do not round intermediate calculations. Total cost < Required B Required D