Suppose that the demand function for men's haircuts in a city is as follows:

Qd = 500 - 30p +0.08M,

where p is the price of haircuts and M is the average monthly income in the city.

Suppose that the supply function for haircuts is

Qs = 100 + 20p -30w

where p is the price of haircuts and w is the average hourly wage of barbers.

Assume that M = $6500 and w = $10

Calculate the equilibrium quantity in this market.

	a.	250
	b.	375
	c.	288
	d.	None of the choices