I am not sure how to go about solving this. I have tried to look up how to, however, it is very textbook like reading and not so much example based. Would love some help and explanation!

Required information [The following information applies to the questions displayed below.] Tawana owns and operates a sole proprietorship and has a 37 percent marginal tax rate. She provides her son, Jonathon, $19,500 a year for college expenses. Jonathon works as a pizza delivery person every fall and has a marginal tax rate of 15 percent. b. How much pretax income does it currently take Tawana to generate the $19,500 (after-taxes) given to Jonathon? (Round your answer to the nearest whole dollar amount.) Pretax income