help with 37-40

Question 37 (2.5 points) You can earn 16% interest, compounded quarterly. How much must you deposit today to withdraw $4,000 in 10 years? $10 $833 $906 $2,702 3 $6,400 Question 39 (2.5 points) If a commercial bank offers a nominal interest rate of 4% when the expected inflation rate is 3%, then the real interest rate is: 0.75% Question 38 (2.5 points) Suppose that you have an opportunity to invest $10,000 in a saving account that will pay you $19.800 at the end of seven years. What interest rate does the savings account pay? 1% 1.33% 6.6% 7% None of the above 10.25% 49.49% Question 40 (2.5 points) How many years it will take you to double your money if you invest $500 at an interest rate of 8% per year? 98% None of the above 10