A company has a $$\$ 20$$ million portfolio with a beta of 1.2 . It would like to use futures contracts on a stock index to hedge its risk. The index futures price is currently standing at 1080 , and each contract is for delivery of $$\$ 250$$ times the index. What is the hedge that minimizes risk? What should the company do if it wants to reduce the beta of the portfolio to 0.6 ?