1 The controller (money manager) for a small company puts some money in a bank account paying 3% per year. He uses some additional money, amounting to 3 the amount placed in the bank, to buy bonds paying 4% per year. With the balance of the funds, he buys a 8% certificate of deposit. The first year the investments bring a return of $534. If the total of the investments is $10,000 how much is invested at each rate? The amount in the bank account is $ the amount in the bonds is $ and the amount in the certificate of deposit is $