Which of the following statement is incorrect?

A) The required rate of return, or discount rate, for a bond is the market interest rate called the bond's yield to maturity.

B) Most of the answers are correct except one.

C) The value, or price, of any asset, including bonds, is the future value of its future cash flows.

D) The largest investors in corporate bonds are institutional investors such as life insurance companies and pension funds.

E) The most important investors in corporate bonds are big institutional investors such as life insurance companies, pension funds, and mutual funds.