How long will it take $400 to double if it earns the following rates? Compounding occurs once a year. Round your answers to two decimal places. a. 4%. year(s) b. 10%. year(s) c. 19%. year(s) d. 100%. year(s) Find the interest rates earned on each of the following. Round your answers to the nearest whole number. a. You borrow $650 and promise to pay back $767 at the end of 1 year. 18 % b. You lend $650 and the borrower promises to pay you $767 at the end of 1 year. 18 % c. You borrow $85,000 and promise to pay back $585,293 at the end of 13 years. % d. You borrow $12,000 and promise to make payments of $2,771.70 at the end of each year for 5 years. % a. Find the present values of the following cash flow streams at an 8% discount rate. Do not round intermediate calculations. Round your answers to the nearest cent. 0 1 2 3 4 5 + + H Stream A $0 $100 $350 $350 $350 $300 Stream B $0 $300 $350 $350 $350 $100 Stream A: $ Stream B: $ b. What are the PVs of the streams at a 0% discount rate? Round your answers to the nearest dollar. Stream A: $ Stream B: $