(8.5) Commodity futures held until delivery(1) Boyd Harkey takes a long position on a futures contract and maintains theposition until he takes delivery, at which time he sells the underlier at the spotprice. We denote his profit (possibly negative) by B. At exactly the same time, his wife Linda takes a short position on the same contract, and at expiration she purchases the underlier for cash so that she may make the required delivery.We denote her profit (possibly negative) by L. Assume that there are no fees, delivery expenses, or costs associated with taking delivery and reselling. Find B+L