8. Pewter is an alloy of 85% tin, 10% antimony, and 5% copper. There are no viable antimony futures markets, so you have a dilemma. How can I hedge against changes in the components of pewter? After scouring the internet for information, you have discovered that spot prices for antimony have a relatively close correlation to tin, with a rSN:ANTMONY.=.753 and SSN=.287. Meanwhile, rHG:ZS=.695,sHG=.785 and SzS=.562. You need to hedge against a delivery of 200 tons of pewter ingots arriving in May, how many contracts of each are required to hedge properly? Note this additional information: ontractSymbol DeliveryMonths Amount Tic Size Tic Value pper HGN,D,Ja,Mr,My,Jl,S25,000lbs. US\$0.0005/lb \$12.50/tic ZS N, D, Ja, My, Ap, Au, S 25 tons US\$0.50/ton \$12.50/Tic SN Every month (London) 5 tons US\$0.01/ton \$5.00/Tic