Under the UCC, Since Both Leyland and Melanie Are Merchants

Multiple Choice

Under the UCC, since both Leyland and Melanie are merchants, when Leyland sends his acceptance to Melanie's contract terms, when would his acceptance be effective?

A) When Leyland dispatches it.
B) When it is received by Melanie.
C) When received by Melanie but only if acceptance by electronic means is made, otherwise on dispatch.
D) When Leyland dispatched it but only if the U.S. mail is used, otherwise on receipt.
E) When Leyland dispatched it but only when the telephone is used, otherwise on receipt.