Homer's Helpers provides locksmith services. One type of service calls 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 100 service calls are made in the month of June Click the icon to 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 140 cal Contribution Margin Select the formula to calculate the contribution margin ratio Contribution Margin Ratio e table 1 iny s total Data Table - X $ Service Revenue Variable Costs Fixed Costs 180 per service call 90 per service call 11,600 per month Print Done the next