Marcella operates a small, but very successful art gallery. all but one of the following can be classified as a variable cost arising from the physical inputs marcella required to operate her business. which is it? a) physical space for the galleryb)wages paid to three part-time employeesc)accountants fees for preparing tax returnsd)costs of purchasing art work to sell in the gallery

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