Investment Manager expects to invest in Australian equities in six months but is concerned that they may appreciate sharply in the near future. Investment Manager can hedge by: Select one: a. buying futures contracts based on the S&P/ASX 50 index now and receiving delivery of the equities in six months. O b. buying futures contracts based on the S&P/ASX 50 index now and closing this position in about six months with a sell order. c. selling futures contracts based on the S&:P/ASX 50 index now and receiving delivery of the equities in six months. O d. selling futures contracts based on the S&P/ASX 50 index now and closing this position in about six months with a buy order