Which of the following statements is correct?

Group of answer choices

Unsystematic risk is the only risk that investors require compensation for bearing.

All the answers are correct.

The proportions of debt and equity used to determine the weighted average cost of capital for a firm is based on the market value of debt and equity outstanding.

The characteristics of debt allow us to use the perpetuity model to estimate the cost of debt.

The main difference between the finance balance sheet and the accounting balance sheet is that the finance balance sheet is based on book values rather than market values.