The formula A = Pert describes the accumulated value, A, of a sum of money, P, the principal, after t years at annual percentage rate r (in decimal form) compounded continuously. Complete the table for a savings account subject to continuous compounding. Amount Invested Annual Interest Rate Accumulated Amount Time t in Years $9000 13% Double the amount invested ? to years (Do not round until the final answer. Then round to one decimal place as needed.)