Please give formulas and how you got to the answers. Thank you!

Social Media, Inc. (SMI) has two services for users. Toot!, which connects tutors with students who are looking for tutoring services, and TiX, which can be used to buy, sell, or exchange event tickets. For the following year, SMI expects the following results. Total i Toot! 24,000 $2,000,000 16,000 9,000 $1,200,000 10,000 240,000 15,000 $800,000 6,000 $360,000 Users Revenues Engineering hours Engineering cost Administrat ive costs $ 600,000 480,000 $ Required: a. Compute the predetermined overhead rate used to apply administrative costs to the two services assuming SMI uses the revenue to allocate administrative costs. b. Based on the rates computed in requirement (a), what is the profit for each service