answer all please

Harry's Helpers provides locksmith sorvices. One type of service call is to evaluate private residences for securily concerns and make recommendavions for a safety plan. Use the data below io determine the company's total contribution margin, contribution margin per service call, and 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 compune the contribution margin. Then, complete the table to calculate the contributiso margin per service cal. then the company's total contribution margin. Data table