Please answer question 13 and 14, please.

13. The expected return of the risky asset portfolio with minimum variance is A. the market rate of return B. zero C. the risk-free rate D. There is not enough information to answer this question 14. Arbitrage is A. is an example of the law of one price B. the creation of riskless profits made possible by relative mispricing among securities C. is a common opportunity in modern markets D. an example of a risky trading strategy based on market forecasting