Which of the Following Statements Is True of Sales Contracts

Multiple Choice

Which of the following statements is true of sales contracts?

A) If a sales contract does not state the price of goods that will be sold to the buyer, the contract is considered invalid.
B) A sales contract is ordinarily an express contract, but some of its terms may be implied.
C) When a contract includes the supply of both services and articles, the contract is always considered to be a contract for the sale of goods.
D) If parties indicate that the price of goods must be fixed at a later date, and no price is thus fixed, the contract is still binding on them.