1. Find the present value of an ordinary annuity with deposits of $15,127 quarterly for 8 years at 11.6% compounded quarterly.
2. Find the present value of an ordinary annuity with deposits of $17,628 quarterly for 3 years at 11.6% compounded quarterly.
3. Find the periodic payment which will amount to a sum of $9,000 if an interest rate 8% is compounded annually at the end of 12 consecutive years.