Bow-Wow Gifts can sell 31 puppy calendars per month if a calendar sells for $12, and they can sell only 23 puppy calendars per month if the price of a calendar is $18. Assume that the demand function for these calendars is a linear function. What is the monthly revenue from selling these puppy calendars if Bow-Wow sets the price of a calendar so that they can sell 25 puppy calendars per month?

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