The manufacturer of a brand of mattresses will make x hundred units available in the market when the unit price is p = 50 + 60e0.06x dollars. (a) Find the number of mattresses the manufacturer will make available in the market place if the unit price is set at $400/mattress. (Round your answer to the nearest integer.) mattresses (b) Find the producers' surplus if the unit price is set at $400/mattress. (Round your answer to the nearest dollar.) $

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