Exercise 10
Marcy is the owner of the Merry Elves Shop. She enters into a written contract to buy 200 Christmas tree ornaments from Bob for delivery October 1. They later modify the agreement in writing, so that Marcy will buy a total of 300 ornaments that will all be delivered October 15. On October 3, Marcy sues Bob, stating that he should have delivered the 200 ornaments to her on October 1 because the contract modification was not valid. She says that there was a lack of additional consideration for the modification.

How should the judge rule?

A. For Bob, because additional consideration was not necessary.

B. For Marcy, because additional consideration was necessary in order to modify their contract.