A clearing house member is long $50$ contracts with an initial margin of $$1,500$ per contract. On the following

day, the member becomes responsible for clearing an additional $10$ long contracts, entered into at a price of

$$1,550$ per contract. The settlement price at the end of this day is $$1,525.$ How much does the member have to

add to its margin account with the exchange clearing house?

A$.$ The member needs to add $$1,000$ any additional margin. B$.$ The member needs to add $$1,250$ to its margin

account.

C$.$ The member needs to add $$14,000$ to its margin account. D$.$ The member needs to add $$15,000$ to its margin

account