When it comes to investment performance, what statistical notion do many portfolio managers employ to reflect risk

The profitability index is another method to evaluate capital investments. If you are trying to compare investments of different sizes, why is the profitability index a better way to do this when compared to the net present value method?

How do managers, bankers, and security analysts use trend analysis, bench-marking, percent change analysis, and common size analysis?

Which of the following is needed to calculate a firm’s WACC?    A. the cost of carrying inventory    B. the amount of capital necessary to make the investment    C. the cost of preferred stock    D. the probability distribution of expected returns E. both b and c