What is the present value of an ordinary annuity that pays 250 dollars per year for 4 years, if the appropriate discount rate is 5.0 percent per year, compounded annually?

What is the future value (at the end of 4 years) of an ordinary annuity that pays 250 dollars per year if the appropriate discount rate is 5.0 percent per year, compounded annually?

What is the present value of an ordinary annuity that pays $40 every 6 months, for 10 years, if the interest rate is 8.0 percent per year, compounded semi-annually?

What is the present value of an annuity due that pays 250 dollars per year for 4 years, if the appropriate discount rate is 5.0 percent per year, compounded annually?

If you receive $100,000 in a lump sum, how much could you withdraw each year, starting one year from today, if you wish to receive 10 payments? The interest rate is 5 1/8 percent per year, compounded annually.