Use a spreadsheet, a table, or a graph to estimate how long it takes for an amount to double if it is invested at 14% interest. a. Compounded annually. b. Compounded continuously. a. Choose the correct estimate for the time taken for an amount to double if it is invested at 14% interest compounded annually. A. between 5 and 6 years B. between 2 and 3 years C. between 9 and 10 years. D. between 4 and 5 years