Required information Problem 18-1A (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 18-1A (Algo) Port 1 1. Estimate both the variable casts per unit and the total monthly foecd costs using the high-low method. (Do not round intermediate colculations.)