I. Determine the "internal rate of return" of the following investments.

to.

a. An initial payment of $ 10,000 which will produce a cash flow (NCF) annual of $ 1,993 for the next ten years.

b. An initial payment of $ 10,000 which will produce a cash flow (NCF) annual of $ 2,054 for the next twenty years.

c. An initial payment of $ 10,000 which will produce a cash flow (NCF) annual of $ 1,193 for the next twelve years.

d. An initial payment of $ 10,000 which will produce a cash flow (NCF) annual of $ 2,843 for the next five years.