6. Your sister just deposited $12,000 into an investment account. She believes that she will eam an annual retum of 10.1 percent for the next 8 years. You believe that you will only be able to eam an annual retum of 9.4 percent over the same period. How much more must you deposit today in order to have the same amount as your sister in 8 years? $456.86 $586.31 $628.19 d. $1,815.24 S670.07 a. b c. e