the following data have been extracted from the records of Puzzle, inc

Alpha Co. incurred the following costs for the month of September. Variable costs, and the variable portion of mixed co Activity level in units Variable costs Fixed costs Mixed costs Total costs 4,500 $ 9,000 28,000 20,700 $57,700 During October the activity level was 9,400 units, and the total costs incurred were $68,500 Required: a. Calculate the variable costs, fixed costs, and mixed costs incurred during October. Variable cost Fixed cost Mixed cost $ 18,800 28,000 $ 21,700 (Do not round intermediate calculations and round your ansyw b. Use the high-low method to calculate the cost formula for mixed cost 0.20 per unit formu 2 decimal places required