Discuss how the exchange requirements that mandate traders toput up collateral in the form of a margin requirement and to usethis account to mark their profits or losses for the day serve toeliminate credit or default risk. (fill in the blank to make thefollowing sentence true:Because (both parties have) OR (neither party has) to post marginwhen they enter into a futures contract and because they mark tomarket (every day until the delivery date) OR (on the deliverydate) the party and the counterparty to the contract have alreadyposted the gain or loss to the other and the risk of default (isthereby negated) OR (still exists).