Generally, a contract must include the following terms, either expressed in the contract or capable of being reasonably inferred from it:.
1. The identification of the parties .
2. The identification of the object or subject matter of the contract.
3. The consideration to be paid.
4. The acceptance of exchange , delivery, or performance.

The correct answers are 1, 2, 3 and 4

Explanation:

Contract is defined as under the common law, which has the elements of the contracts are:

1. Intention, offer, consideration and acceptance to establish legal relations.

2. Legality of both content and form.

Not all the agreements are contractual as the parties usually need to deemed to have the intention for bound legally.

The contract must involve the terms which are identification of the parties, consideration to be paid, identification of object of the contract and performance, acceptance of exchange or delivery.

answer; it can vividly demonstrate product attributes and persuasively explain their corresponding consumer benefits;

c is the correct answer.