Suppose a consumer derives satisfaction from consuming tacos:
those from Taco Bell and those from Chipotle
the budget line of the consumer under the assumption that he is offered a “buy
three, get one free” deal at Taco Bell (limit one free taco).
separate graph, show the same deal if offered by Chipotle
third graph, show the consumer’s budget line of both Taco Bell and Chipoltle
are simultaneously offering this deal.