$10.$ Suppose you buy a $5,000-$bushel July Soybean futures contract at $$12\mathrm{.}00/$bushel$.$ At the end of the day, your long position remains open and the Soybean futures contract has a daily settlement price equal to $$11\mathrm{.}50/$bushel$.$ The risk$-$free rate is $0\mathrm{.}5$ percent $(0\mathrm{.}5\%).$ What is the daily profit or loss on your long Soybean futures position?