Ace Hardware, Inc

Ace Hardware, Inc. ran a national ad that read, "Come in between 8:00 AM and 10:00 AM on Labor Day and get 20% off your purchase of any garden hose."  When Michael arrived at the store at 9:30 AM on Labor Day, the store clerk explained that they were out of garden hoses, but that Ace was selling sprinkler systems for $99.50.  Which of the following describes Michael's experience?

A) Ace has made an offer through its ad that Michael accepted by coming to the store and there is a breach.
B) Ace is guilty of bait and switch.
C) Ace has done nothing wrong because its ad was not an offer.
D) Ace does not have to be accountable for running out of advertised goods.