Gretchen offers $100 to anyone who can return her lost dog, Sparky. Haley returns the dog and requests the money

In the absence of a time condition in an offer, the offer will expire _________. 
A. In forty-eight hours
B. In seven days
C. In thirty days
D. In forty-five days
E. After a reasonable amount of time

Which of the following is presumed to be a reasonable amount of time when considering whether an offer has expired? 
A. Forty-eight hours.
B. Seven days.
C. Thirty days.
D. Forty-five days.
E. There is no set amount of time, and what constitutes a reasonable amount of time varies depending upon the subject matter of the offer.

Which of the following is a way in which an offeree can manifest intent to enter into a bilateral contract? 
A. By performance only.
B. By a return promise only.
C. By performance or by a return promise.
D. By performance, by a return promise, or by a counteroffer.
E. By a signed writing only.

In which of the following ways may an offeree accept a unilateral contract? 
A. By making a counteroffer.
B. By signed writing only.
C. By either verbal acceptance or a signed writing.
D. By performance.
E. By performance, by a verbal acceptance, or by a signed writing.

Gretchen offers $100 to anyone who can return her lost dog, Sparky. Haley returns the dog and requests the money. Gretchen says that there is no binding contract. Which of the following is true regarding Gretchen's statement? 
A. Gretchen is incorrect because there is a binding bilateral contract.
B. Gretchen is incorrect because there is a binding unilateral contract which Haley accepted by performing.
C. Gretchen is correct because there is no binding bilateral contract.
D. Gretchen is correct because there is no binding unilateral contract.
E. Gretchen is correct because Haley acted incorrectly by her manner of attempted acceptance.

When acceptance is examined under the common law, how do the basic requirements for a valid acceptance compare with those for a valid offer? 
A. The basic requirements for a valid acceptance are materially different from those for a valid offer.
B. The basic requirements for a valid acceptance parallel those for a valid offer.
C. The basic requirements for a valid acceptance are different from those for a valid offer only because an offer must be in writing.
D. The basic requirements for a valid acceptance are different from those for a valid offer only because an acceptance must be in writing.
E. The basic requirements for a valid acceptance are different from those for a valid offer only because an offer must be revoked immediately but acceptance can be withheld for a reasonable period of time.

Which of the following is a requirement for a valid acceptance? 
A. Manifestation of intent to be bound by the acceptance of the contract.
B. Agreement to the definite and certain terms of the offer.
C. Communication to the offeror.
D. Manifestation of intent to be bound by the acceptance of the contract, agreement to the definite and certain terms of the offer, and communication of that to the offeror.
E. Manifestation of intent to be bound by the acceptance to the contract and communication of a counteroffer to the offeror along with a writing specifying all pertinent terms.