20 points! Which sentence indicates that Brian has instituted a loyalty program?

(1) Brian runs a juice bar that sells fresh juice products. (2) He hopes customers will drink the juices to stay healthy. (3) He offers a free juice for every customer who buys nine juices. (4) He also advertises the health benefits of fresh juice. (5) He hopes such an advertisement will attract new customers.

8. problems and applications q8there are four consumers willing to pay the following amounts for haircuts, and there are four haircutting businesses with the following costs: consumers' willingness to payyvette: $35cho: $15sean: $45bob: $25firms' costsfirm a: $40firm b: $20firm c: $10firm d: $30each firm has the capacity to produce only one haircut.for should be given.which businesses should cut hair? check all that apply.firm afirm bfirm cfirm dwhich consumers should have their hair cut? check all that apply.bobchoseanyvettethe maximum possible total surplus is