Micah borrowed $2,000 to be repaid over 8 years. The loan charges an interest rate of 4% per year. Calculate Micah's annual payment.

2. . A value of $1,692 occurs at the beginning of every year for the next 17 years starting now. Calculate the value of this stream of payments 17 years from now given a rate of 5% per year.

3. A value of $2,327 occurs 9 years from now. Calculate the value now given a rate of 2% per quarter.

4.A value of $4,415 occurring now is valued at $6458 11 years from now. Calculate the rate per year.