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 $440.00 and receive $691.72 in 9 years.

b. Invest $3,000.00 and receive $10,292.58 in 17 years.

c. Invest $31,533.66 and receive $140,000.00 in 22 years.

d. Invest $33,796.33 and receive $1,200,000.00 in 35 years.

a. What annual rate of return will Keiko earn if she invests $440.00 today and receives $691.72 in 9 years?

b. What annual rate of return will Keiko earn if she invests $$3,000.00 today and receives $10,292.58 in 17 years?

c.What annual rate of return will Keiko earn if she invests $31,533.66 today and receives $140,000.00 in 22 years?

d. What annual rate of return will Keiko earn if she invests $33,796.33 today and receives $1,200,000.00 in 35 years?