In this case all of the cracks and crevices are sealed. Then a hole is put in the slab to install the small fan and create sub-slab suction. The average Radon mitigation cost in Portland, Oregon, or Vancouver, Washington is between $800 to $2,500 with an average of $1,200.
A central feature of monopolistic competition is that products are differentiated. There are four main types of differentiation: Physical product differentiation, where firms use size, design, colour, shape, performance, and features to make their products different. For example, consumer electronics can easily be physically differentiated.
Monopoly Graph. 1  A Monopolist is a price maker because he does not face any competitors. 2  Therefore demand is price inelastic. 3  A monopolist will seek to maximise profits by setting output where MR = MC. 4  This will be at output Qm and Price Pm. 5  If the market was competitive the price would be lower and output higher.