Requirements 1. Calculate the contribution margin ratio for each business segment. 2. The business segments had the following numbers of customers: Benton, 30; McMillian, 90; and Felch, 60. Compute the service revenue per customer, variable cost per customer, and contribution margin per customer for each business segment. 3. Which business segment was most profitable? List some possible reasons why this segment was most profitable. How might the various reasons affect the company in the long term? -