Hello , could someone help me with question C . I am not sure if i have the right answer. I have the answers to the other parts of the question i really only need help with C. Thank you so much for your time !

l 3-68. Extensions of the CV P ModelMultiple Products and Taxes Assume that Limitless Labs, Inc., offers three basic drug-testing services for professional athletes. Its prices and costs are as follows. Price Variable Cost Units Sold '- per Unit per Unit per Year Basic ............... $ 500 $ 120 850 Retest ............... 800 400 100 - Vital ................ 4,000 2.800 50 Variable costs include the labor costs of the medical technicians at the lab. Fixed costs of $390,000 per year include building and equipment costs and the costs of administration. A basic \"unit\" is a routine drug test administered. A retest is given if there is concern about the results of the rst test, particularly if the test indicates that the athlete has taken drugs that are on the banned drug list. Retests are not done by the laboratory that performed the basic test. A \"vital\" test is the labo- ratory's code for a high-prole case. This might be a test of a famous athlete andlor a test that might be challenged in court. The laboratory does extra work and uses expensive expert technicians to ensure the accuracy of vital drug tests. Limitless Labs is subject to a 40 percent tax rate. Required a. Given this information, how much will Limitless Labs earn each year after taxes? b. Assuming the given sales mix is the same at the break-even point, at what sales revenue does Limitless Labs break even? :2: At what sales revenue will the company earn $180,000 per year after taxes assuming the given sales mix