3.6) Which statements regarding NPV valuation are correct?

A The NPV calculation should account for capital sturucture of a company over the time of the investment B Strategic benefits can justify making an investment with negative NPV C The cost of equity of a company in the NPV calculation is approximated with the company's beta. D To account for the capital structure of an investment, the discount rate is usually the WACC E Real options can be used to hedge the value of the investment and secure a positive NPV F An investment with a positive NPV may still be economically unprofitable because of the cost of the real options embedded in the investment