Ms. Truth went into a store and saw a beautiful leather jacket bearing a price tag of $29. Ms. Truth handed the cashier a $50 bill and said, "I accept. We have a deal." The cashier then noticed the price tag and told Ms. Truth an error had been made and that the price was $229. In this case:

a.Ms. Truth validly accepted the store's offer.

b.the price tag was a firm offer.

c.no contract was formed because Ms. Truth's offer was refused.

d.Ms. Truth is the offeree.