Please help with question 18 only. thanks!

18. (Car leasing) You're considering leasing or purchasing a car. The details of each method of financing are given below: 18a. The lease is for 24 months. What should you do? 18b. What will be your answer if the estimated market value of the car at the end of the lease is $10,000 ? Show a data table with your answer for market value of the car at the end of the lease between $10,000 and $18,000 jumping by $500. 21. (NPV, IRR, EAC, Pl, challenging) Your company is considering an investment in the following projects (cash flows are in thousand dollars). a. Use Project D to show that the discount rate (cost of capital) is 16.67% por annum. b. Complete the missing values from the table. c. Which project should the company choose if the projects are mutu[1] ally exclusive? d. Which project should the company choose if the projects are not mutually exclusive and the company faces a $1,000K budget constraint 18. (Car leasing) You're considering leasing or purchasing a car. The details of each method of financing are given below