Arnold learned something very valuable as a teenager from his dad. he was told to invest​ $1,000 at​ 12% interest at age 20 and leave it alone until age 65.​ arnold's dad knew that one strategy that wealthy people use is to exercise self minus−discipline to never touch this longminus−term plan. arnold is very happy he applied his​ dad's advice. if he sticks to this​ plan, arnold's savings will have grown to approximately​ ________ by age 62.