Six years ago, Ed invested $17,600.00. Today, he has $35,400.00. If Ed earns the same annual rate implied from the past and current values of his invsetment, then in how many years from today does he expect to have exactly $72,000.00 O 6.10 years (plus or minus 0.05 years) O 8.10 years (plus or minus 0.05 years) 12.10 years (plus or minus 0.05 years) O 4.04 years (plus or minus 0.05 years) O None of the above is within .05 percentage points of the correct