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Interest rate (with changing years). Keiko is looking at the following investment choices and wants to know what annual rate of return each choice produces. a. Invest $360.00 and receive $836.38 in 10 years. b. Invest $2,600.00 and receive $12,091.06 in 18 years. c. Invest $31,155.45 and receive $130,000.00 in 24 years. d. Invest $34,703.94 and receive $1,500,000.00 in 30 years