can you please answer all

(Annuity number of periods) How long will it take to pay off a loan of $50,000 at an annual rate of 11 percent compounded monthly if you make monthly payments of $800 ? Use five decimal places for the monthly percentage rate in your calculations. The number of years it takes to pay off the loan is years. (Round to one decimal place.) (Present value of an annuity) What is the present value of a(n) 20 -year annuity that pays $2,500 annually, given a discount rate of 16 percent? The present value of the annuity is $ (Round to the nearest cent.) (Annuity interest rate) Your folks just called and would like some advice from you. An insurance agent just called them and offered them the opportunity to purchase an annuity for $20,586.41 that will pay them $3,500 per year for 10 years. They don't have the slightest idea what return they would be making on their investment of $20,586.41. What rate of return would they be earning? The annual rate of return your folks would be earning on their investment is \%. (Round to two decimal places.)