identify the following firms in the one of the four industries studied (monopoly, perfect competition, monopolistic competition, or oligopoly). explain why you classify each into the category. a) wheat farmers: b) starbucks coffee: c) coors: d) u.s. post office: e) a dentist's office: f) ford car company: g) ide honda (the car dealership): h) : i) gold mine: j) dry cleaners: k) pete's lawn mowing services: