When Carl Went to Buy a Car,the Deal Was Being

When Carl went to buy a car,the deal was being signed when he found out the radio and sound system were considered options along with the floor mats,steering wheel cover,and air-conditioner.These amounted to more than $1,000 additional fees added to the price that had been agreed.Carl is most likely to

A) likely to cancel the deal because of the foot-in-the-door technique.
B) likely to cancel the deal because of the self-perception theory.
C) go through with the deal because of the lowball technique.
D) go through with the deal because of the reciprocity principle.