Maya has decided to purchase her dream car at $30,000. She has two option of paying to select one of them:

Option 1 - Paying cash by liquidating some of the investments she owns. This investment earns 3% compounded semiannually or

Option 2 - Accepting the offer provided by the car dealer of $7000 down and successive payments of $10,000, $9000, and $8000 at the end of each of the next three years.