QUESTION 5 Suppose you consider a financial instrument that offers a nominal annual return of 12%, and the oxpected inflation rate is reported as 3%, what real rate do you expect to earn? OA 5.48% OB. 8.74% OC.9% OD. 129 QUESTION 6 In the following statistical variables, which of them cannot be negative? A covariance B. variance C. Er), or expected returns D.correlation coefficient