Which of the following statements regarding foreign currency futures and forward contracts is/are incorrect? i. Futures contracts are traded in exchange while forward contracts are traded over-the-counter. ii. Investors taking a long position in futures contracts have to make a premium payment to the counterparty because they receive a privilege in the long position. iii. Comparing with forward contracts, futures contracts carry low default risk because of the margining requirements and the marking-to-market process. iv. The contract size and delivery month of futures contracts are customised and determined by private negotiation. O i and iii O iv O O ii and iv Oiii and iv