Malina agrees to supervise a construction project for Al for a certain fee. In mid-project, without an excuse, Malina removes the plans from the site and refuses to continue. Al promises to increase Malina’s fee. Malina returns to work. Is going back to work consideration for the promise to increase the fee?

a. Yes because performance always constitutes consideration.

b. Yes because Al sought it in exchange for his promise.

c. No because performance never constitutes consideration.

d. No because Malina already had a duty to supervise the project.