please help with c and d

The following data have been extracted from the records of Puzzle, Inc. FebruaryAugust 16,000 38,000 $112,840 8,000 Production level, in units Variable costs Fixed costs Mixed costs Total costs $20.000 s $77.320 Required: a. Calculate the missing costs. (Do not round intermediate calculations.) Production level, in units Variable costs Foed costs Mixed costs 10,000 5 20,000 S 40,000 36,000 30,840 S 77.320 5 112,840 8,000 36 21,320 Toltal costs 77320 3 112840 b. Calculate the cost formula for mixed cost using the high-low method. (Do not round intermediate 5,800+ 1.94: per unit c Calculate the total cost that would be incurred for the production of 11,556 units. (Do not round in otal d. Idenily the two key cost behavior assumptions made in the calculation of your answer to part c Dificully 1 Easy Sheck mwork Type here to search [D