One safe investment pays 9% per year, and a more risky investment pays 11% per year. a. How much must be invested in each account if an investor of $100,000 would like a return of $9,540 per year? b. Why might the investor use two accounts rather than put all the money in the 11% investment? a. $ is invested in the 9% account. $ is invested in the 11% account. b. Why might the investor use two accounts? OA. Investing in two accounts always yields more money than investing in just one account OB. Although the 11% account earns more interest, the 9% account has no hidden fees. OC. The 11% investment is riskier than the 9% investment. There is a greater chance the investor will lose money if it is all placed in the 11% account. OD. The 11% account does not earn as much interest as the 9% account