please answer in excel with formula

Assume you just got a home with 6%,30 years, $300,000, mortgage 1. Find out what your monthly mortgage payment is? 2. Use solver to find out how much the mortgage amount is if you can only afford to pay $1,200 per month? 3. Use goal seek to find out what interest rate is if you can only pay 1,500 per month for this $300,000 mortgare