The following data have been extracted from the records of Puzzle Incorporated: a. Calculate the missing costs. 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 12,740 units. d. Identify the two key cost behavior assumptions made in the calculation of your answer to part c. Answer is not complete. Complete this question by entering your answers in the tabs below. Calculate the total cost that would be incurred for the production of 12,740 units. Note: Do not round intermediate calculations