Salem Internet Services is an Internet service provider for commercial and residential customers. The company provided the following data for its two types of customers for the month of August (Click the icon to view the contribution margin income statement) For each type of customer, determine both the contribution margin per customer and the contribution margin ratio. Round to two decimal places. Which type service is more profitable? Calculate the contribution margin per customer Begin by selecting the formula labels, then enter the amounts and calculate the contribution margin per customer for each business segment. (Round your answer to the nearest cent.) 1 Contribution margin per customer Commercial Residential Calculate the contribution margin ratio. Select the formula, then calculate the contribution margin rabo for each business segment. (Round to two decimal places-the nearest hundredth percent-XXX%) Commercial Residential = Contribution margin ratio = % % hop