43. A positive of NPV is its currency units (true or false) 44. A project used the WACC of the country where the capital is taised regardless of where the project is built. (True or false) 45. The CAPM approach is too difficult to be used often as a project's cost of equity. (True or false) 46. A company's operating margin may be s useful measure of operating risk. (True or false) 48. A board of direcyors oversee executives in a firm. (True or false) 49. Payable turnover is the number of times in a period a company is paid. (True or false) 50. WACC is a measure of a company's marginal cost of nee funds. (True or false)