CFAI -Sample Exam 2 Question 30

How come the answer did not consider the Beta of the equity futures contract which is 1.29. Should the 1.29 not have been in the denominator? Correct answer = C “Risk Management Applications of Forward and Futures Strategies,” Don M. Chance 2008 Modular Level III, Vol. 5, pp. 108-112 Study Session 13-38-c create synthetic cash by selling stock index futures against a long stock position. Number of futures contracts = -75,000,000*(1.04)^0.25/235,000 = -322 Also, why would the 757 Cash Contracts not work? Thanks!!