You plan to buy a new car. You expect to buy the car for $30,000 and pay $500 to maintain it on the first year, $1,000 on the second year, and $2,000 on the third year. After the end-year service at the end of the third year, you expect to sell the car for $8,000. Alternatively you can lease the car for $9,000 per year for three years and the first lease payment should be paid upon signing the contract. Discount rate is 7 percent. Which alternative is less expensive?