Which of the Following Is Correct? Many Multinationals Are Now

Which of the following is correct? Many multinationals are now making small investments in frontier markets. These investments

A) may be valued using conventional discounted cash-flow analysis
B) will be overvalued using conventional discounted cash-flow analysis because of their high risks
C) should be valued using an expanded internal rate of return value rule that considers the attendant options
D) are best valued by using the payback period method