-0.440 637686996756, 1491284601030 The following data have been extracted trom the records of Puzzle, Inc. Production level, in units 9.200 20,240 S25.760 Fixed costs 33,800 Mixed costs 24,208 Total costs $83,768 $136,650 Required: a. Calculate the missing costs. (Do not round intermediate calculations.) Production level, in units 9.200 20,240 Variable costs 25,760 56,672 33,800 33,800 24,208 46,178 83,768 136,650 Total costs b. Calculate the cost formula for mixed cost using the high-low method. (Do not round intermediate calculations. Round "Variable cost' per unit