Time to accumulate a glven sum Personal Finance Problem Manuel Rios wishes to determine how long it will take an inaial deposit of $10.000 to double. a. If Manuel earns 8% annual interest on the deposit, how long will is take for him to dcuble his money? b. How long will it take if he earns only 5% arnual interest? c. How long will it take if he can eam 10% annual interest? d. Reviewing your findings in parts a, b, and c, indicate what relationship exists between the interest rate and the amount of time it will take Manuel to double his money. a. If Manuol eams 8% annual interest, the amount of time to double his money is years. (Round to two decimal places.)