Pei's savings account balance is $12,000 today. Pei opened the account exactly 7 years ago with a $10,000 deposit. Pei has made no other deposits or withdrawals. What annual interest rate (compounded annually) has the account earned? (Enter your answers as a decimal rounded to 4 decimal places, not a percentage. For example, enter 0.0843 instead of 8.43%) You want to buy a house in 5 years and expect to need $40000 for a down payment. If you have $17000 to invest, how much interest do you have to earn (compounded annually) to reach your goal? (Enter your answers as a decimal rounded to 4 decimal places, not a percentage. For example, enter 0.0843 instead of 8.43%)