Hello, I am having trouble with this question and would appreciate a little clarity. Thank you

Problem 4: Record the following independent transactions using the indicated methods. The monies are paid by new partner D to the partnership. Capital: Partner A (50%) Partner B (30%) Partner C (20%) 80,000 40,000 10,000 a. $15,000 is paid for a 20% interest. Use the bonus approach. b. $60,000 is paid for a 20% interest. Use the bonus approach. c. $10,000 is paid for a 20% interest. Use the goodwill approach. d. $50,000 is paid for a 20% interest. Use the goodwill approach