Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) The opportunity cost of capital is the return the investor forgoes when the investor takes on a new investment.
B) The investor's opportunity cost of capital is the best available expected return offered in the market on an investment of comparable risk and term of the cash flows being discounted.
C) Interest rates we observe in the market will vary based on quoting conventions, the term of investment, and risk.
D) For a risk-free project, the opportunity cost of capital will typically be greater than the interest rate on Australian government securities with a similar term.