Value of Investment. Morris will start investing $1,000 a year in stocks. He feels he can average a 12% return. If he follows this plan, how much will he accumulate in 10 years? In 20 years? In 30 years? If he follows this plan, in 10 years he will accumulate $ (Round to the nearest dollar.) If he follows this plan, in 20 years he will accumulate $ . (Round to the nearest dollar.) If he follows this plan, in 30 years he will accumulate $ (Round to the nearest dollar.)