Pierre inherited $122,400 from his uncle and decided to invest the money. He put part of the money in a money market account that earns 6.3% simple interest. The remaining money was invested in a stock that returned 6% in the first year and a mutual fund that lost 3% in the first year. He invested $10,000 more in the stock than in the mutual fund, and his net gain for 1 yr was $2850. Determine the amount invested in each account. Pierre invested $ mutual fund. in the money market account, S in the stock, and S in the