Olivia has $11,000 she wants to invest for the next 31 years. Olivia is offered an investment plan that will give her 6% per year for the first 19 years and then 12% per year for the last 12 years. Approximately, how much will she have at the end of the 31 years? $66.969.11 O $129,664.29 O $1,116,767.66 O $33,281.60