$3.$ After the trade in Problem $2,$ you decide to buy October Copper futures $($HGV$-).$ Contract specs are as follows:

CONTRACT UNIT QUOTE UNITS TIC SIZE CONTRACT MOS. INITIAL MARGIN MAINT MARGIN

$25,000$ lbs US$ & CENTS$/$ib $$\mathrm{.}0005/$lb $=$ $$12\mathrm{.}503$ NEAREST MOS. $+$ Feb, Apr, Aug, Oct $$5,800/$ CONTRACT $$5,500/$ CONTRACT

a$.$ How many contracts can you $($safely$)$ buy?

b$.$ If HGV then declines $$0\mathrm{.}0455$ per pound, what is the market$-$to$-$market equity in the account?