Michael tells Sarah, "I’ll sell you my Lamborghini for $300,000." Michael then extends his hand which is holding the keys to the car. Sarah nods her head in a "yes: motion, grabs the keys, unlocks the door and hops in the driver seat. Which is true?
Group of answer choices
A. Michael made an invitation to bargain but not an offer.
B. Michael made offer and Sarah accepted the offer.
C. The offer is not valid because it was not accepted in writing.
D. Michael made an offer but Sarah did not accept because of the Mirror Image Rule.