Not yet answered Marked out of 1.00 Flag question Roy services (Oil Change) vehicles in his garage. His lubricants cost him $40 per vehicle. His wages are $120 per hour. He spends 20 minutes per vehicle. His garage rent is $600 per month. He charges $140 to service each vehicle. How many cars does he need to service to achieve Break Even Point? 100 a. b. 10 C. 400 d. Not possible to calculate Select one: O a. 10 b. 100 c. Not possible to calculate d. 400