4. There is a 1-mile-long stretch of beach with two snow cone stands, one at each end of the beach. (Call them "Left Stand" and "Right Stand.") The snow cones and their prices are identical at both stands. Beachgoers are evenly spaced along the beach, and those who want a snow cone will always go to the stand that is closer to them. Now assume that Left Stand and Right Stand start competing for market share by repositioning themselves. How will they start moving and why? What will be the long-run equilibrium positions of the two stands? O