Cassie Stopped by the Hardware Store Because She Had Seen

Multiple Choice

Cassie stopped by the hardware store because she had seen an ad for 50% off a thermostat. When she got to the store, she was told they didn't have any of those thermostats in stock and wouldn't be ordering more but she could buy a higher-priced Nest thermostat which was supposed to be better anyway. This appears to be a case of

A) loss-leader pricing.
B) price skimming.
C) bait-and-switch.
D) regressive pricing.
E) a monopoly.