Problem 21-1A (Algo) Meosuring 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 wonts 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. Note: Do not round intermediote calculations