18. Distinguish meeting of the minds and mutuality.

19. May there be an acceptance of a contract by an act? If the above question is answered in the affirmative, give an example.

20. Must an acceptance be communicated to the offer?

21. A writes B, "I will sell you my horse for $150. If I do not hear from you to the contrary by Thursday noon I will consider the horse yours." B does not reply. After Thursday noon, to whom does the horse belong?

22. Define option. Give an example of an option.

23. Does an option require a consideration to render it valid?

24. What is an element of a contract?

25. Give the elements of a contract.

26. How many parties to every contract?

27. What is meant by legal age?