Which of the following statements is incorrect? Group of answer choices A firm’s cost of capital is a weighted average o

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Which of the following statements is incorrect?
Group of answer choices
A firm’s cost of capital is a weighted average of all its
financing costs.
All the answers are correct except one.
Accounting balance sheets reflect book values.
The market risk premium for the future is not perfectly
known.
The yield to maturity is the discount rate that makes the
present value of coupon and principal payments equal to the price
of the bond.