Please answer these questions.

1. Alan has purchased a new car for $15,000. He paid $2,500 as down payment and he paid the balance by a loan from his hometown bank. The loan is to be paid on a monthly basis for two years charging 12 percent interest. How much are the monthly payments?

2. Chandler is saving for retirement over the next 30 years. He plans to invest $700 a month in a DPS account at ABC bank and $300 a month in another DPS account at XYZ bank. The return of the ABC account is expected to be 11 percent, and the XYZ account will pay 6 percent. During retirement, he will combine his money into an account with a 9 percent return. How much can he withdraw each month from his account assuming he can withdraw for 25 years after retirement?