based on what you studied in the course investment management course, you are required to calculate the total risk for a portfolio that secures 0.213 return by using the information below. Return on Muscat Security Market index 18 %, Return on short term government bonds in Oman 6.5%, and total risk on the investment in Muscat Security Market 7% Select one: O a. 0.0576 Ob. All the given answers in this question are wrong O c. 0.1296 O d. 0.0901