Homer's Helpers provides locksmith services. One type of service call is to evaluate private residences for security concerns and make recommendations for a safety plan. Use the data below to determine the company's total contribution margin, contribution margin per service call, and contribution margin ratio when 200 service calls are made i the month of June. E(Click the icon view the data.) Select the formula labels needed to compute the contribution margin. Then, complete the table to calculate the contribution margin per service call, then the company's total contribution margin. Per call 200 calls i Data Table Contribution Margin Service Revenue 160 per service call Select the formula to calculate the contribution margin ratio. Variable Costs 96 per service call Contribution Margin Ratio Fixed Costs 11,500 per month The contribution margin ratio is % Print Done