4. For the period of January 2016 through July 2016, compare the percentage returns of a portfolio comprised of VBTLX and VFIAX, weighted as in Question 1, and a portfolio consisting of the single security AAPL. Which of the following statements is true as to this comparison (check all that apply)? a. The return of AAPL is greater in July 2016 than for the weighted portfolio of VBTLX and VFIAX b. There is no month in which AAPL and the weighted portfolio of VBTLX and VFIAX both yielded negative returns c. The returns of AAPL have more variance from zero than the returns for the weighted portfolio of VBTLX and VFIAX d. AAPL has the highest return in a single month, while the weighted portfolio of VBTLX and VFIAX has the lowest return in a single month