please solve

One safe investment pays 9% per year, and a more risky investment pays 10% per year. a. How much must be invested in each account if an investor of $104,000 would like a return of $9,600 per year? b. Why might the investor use two accounts rather than put all the money in the 10% investment? a. $ is invested in the 9% account. is invested in the 10% account. b. Why might the investor use two accounts? A. The 10% investment is riskier than the 9% investment. There is a greater chance the investor will lose money if it is all placed in the 10% account. B. The 10% account does not earn as much interest as the 9% account C. Although the 10% account earns more interest, the 9% account has no hidden fees. D. Investing in two accounts always yields more money than investing in just one account