Robert and rosie both invested $7,500 four years ago. they both earned a 15% return, however robert earned a simple return of 15% and rosie earned a compounded return of 15%. how did this difference in compounding affect their investments' value today? robert will have $1,117.55 more than rosie rosie will have $1,117.55 more than robert robert will have $2,250.00 more than rosie rosie will have $2,250.00 more than robert their investments will be worth the same