You're talking to a co-worker at lunch and she mentions she has a box of baby clothes her kids have outgrown that she needs to get rid of. You have a baby on the way, so you offer to pay her $25, and she agrees to bring the box to work the next day and give it to you. Which of the following is true in this situation?
A. This is a unilateral contract because only one party is providing anything of value.
B. This is an implied contract because it is not written down and nobody signed anything.
C. This is an express contract because you defined in words the specific terms of the agreement and consideration to be exchanged.
D. This is an invalid contract because it is not written down and nobody signed anything.