4. Are the following statements true or false? Why?

a. All else equal, the futures price on a stock index with a high dividend yield should be higher than the futures price on an index with a low dividend yield.

b. All else equal, the futures price on a high-beta stock should be higher than the futures price on a low-beta stock.

c. The beta of a short position in the S&P 500 futures contract is negative.