E21-23 (similar to) for security concems and make Henry's Helpers provides locksmith services. One type of service call is to evaluate private residences recommendations for a safety plan. Use the data below to determine the company's total contribution margin, contribution margin per service cal contribution margin ratio when 180 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 ca Per call L X Data Table Fixed Costs Service Revenue Va Service Revenue190 per service call Variable Costs Fixed Costs 76 per service call 19,320 per month Print Done se from any list or enter any number in the input fields and then click Check Answer. 3 parts Clear All