Required information Problem 21-1A (Algo) Measuring costs using high-low method LO P1 [The following information applies to the questions displayed below.] Alden Company's monthly data for the past year follow. Management wants to use these data to predict future variable and fixed costs. Problem 21-1A (Algo) Part 1 1. Estimate both the variable costs per unit and the total monthly fixed costs using the high-low method. (Do not round intermediate calculations.) 1. Estimate both the variable costs per unit and the total monthly fixed costs using the high-low method. (Do not round intermediate calculations.) Alden Company's monthly data for the past year follow. Management wants to use these data to predict future variable and fixed costs. Problem 21-1A (Algo) Part 2 2. Predict future total costs when sales volume is (a) 388,000 units and (b) 428,000 units