A company has a $36 million equity portfolio with a beta of 0.9. The futures price on the S&P index for a contract delivering in 6 months is currently trading at 900. Futures contracts on $250 times the index can be traded. 

What trade is necessary to increase the beta to 1.2 over the next 4 months?

O Long 48 futures contracts and close out the position in 4 months

O Long 48 futures contracts and close out the position in 6 months

O  Short 48 futures contracts and close out the position in 4 months

O Short 48 futures contracts and close out the position in 6 months

O Short 192 futures contracts and close out the position in 6 months