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.

What should be the outcome?

A.For Bob, because ___________________________

B.For Marcy, because______________________