9 . Twelve years ago , Jake invested $2 ,100 . Six years ago , Tami invested $4 ,000 . Today , both Jake's at the Jake's an Tami's investments are each worth $9 700 . Assume that both Jake and Tami continue to earn their respective rates of return . Which one of the following statements is correct concerning these 18 thes investments ? A . Three years from today , Jake's investment will be worth more than Tami B . One year ago , Tami's investment was worth more than Jake's C . Jake has earned a higher rate of return than Tami D . Tami has earned an average annual interest rate of 15 . 91 percen E . Jake has earned an average annual interest rate of 15 47 percen