Solve the problem.A $128,000 trust is to be invested in bonds paying 9%, CDs paying 6%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $10,900 annual income from the investments, how much should the bank invest in bonds?

A. $64,000
B. $42,000
C. $22,000
D. $20,000


Answer: C

Mathematics

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