Commercial law (ucc,article 2) multiple choice question

1. Xena is a distributor of air conditioners, operating under the trade name of Kool R.U.Xena supplies conditioners to retailers mostly during the Spring. When summer arrives,shebegins toincreasesolicitations in order tomakeroom for the following year's supply.

OnJuly 1,Xenastumbled across threeairconditioners shewished tosellsoshe sent thefollowing memo to Yolanda, a business which uses this type ofair conditioner.

July 1:Ihave three air conditioners remaining inthisyear's supply.I will sell them to you for $2,000 each if you want them.Think it over.Iwill hold this offer open for 30 days.

SignedXena

On July 27, a representative ofSullivan Corporation came toXena's facility and asked ifXena had any air conditioners.Xenasaid;"yes".Therepresentativethen offered topurchase twooftheremaining threeairconditioners, leaving Xena with one.

Xenatheninformed Yoland ofthesaleandasked Yoland ifYoland wanted the lastairconditioner. Yolandsent,viaFed Xpress-aletterdemandingallthree. When Xena responds she only has one, Yoland files suit.

IfYolandwinsitwillbebecause:

A. A contractwasformedthatXenabreachedbythesaletoSullivan Corp.

B.AnoptioncontractwasformedwhichgaveYolandanexclusive option until July 30^th

C.Yolandhadsuppliedconsideration.

D. Xena'smemoconstitutedafirmofferwhich is notrevocable.