News of an effective vaccine to COVID-19 resulted in a 3% increase in the S&P 500 index. This is an example of: O Systematic risk O Unsystematic risk O Diversifiable risk Independent risk Which of the following statements is FALSE? Investments in plant, property, and equipment are directly listed as expense when calculating earnings. The opportunity cost of using a resource is the value it could have provided in its best alternative use. Since depreciation is not a cash flow, it can be ignored when calculating free cash flows. O The marginal corporate tax rate is the tax rate the firm will pay on an incremental dollar of pre-tax income