Henry and Alva Are Merchants Under the UCC Entering into a Contract

Multiple Choice

Henry and Alva are merchants under the UCC entering into a contract. Under the UCC, how may an acceptance be made by Henry and Alva?

A) Only by a writing.
B) Orally as long as it is followed up by a writing.
C) Only by electronic communications.
D) By fax or mail only, not electronic communications.
E) By any reasonable means of communication.