Homer's Helpers provides locksmith services. One type of service call is to evaluate private residences for security concerns and mal contribution margin per service call, and contribution margin ratio when 240 service calls are made in the month of June. (Click the icon to view the data.) Select the formule labels needed to compute the contribution margin. Then, complete the table to calculate the contribution Per call Contribution Margin s for security concerns and malce recommendations for a safety plan. Use the data below to determine the company total contribution margin, the month of June. wiele the contribution margin per service call, then the company's total contribution margin. Data Table Service Revenue Variable Costs $170 per service call 51 per service call 27,260 per month Fbxed Costs Print Done