STION THREE [15] Questions 3.1 to 3.2 is based on the excerpt below. Shine is one of many firms in the market for toothpaste which is in short-run equilibrium. It engages in advertising to create the perception of a unique product. Discuss the long run aggregate supply curve. 3.1.1 Draw a diagram illustrating Shine's demand curve, marginal revenue curve, average total cost curve and marginal cost curve, clearly labeling the company's profit maximizing output, price and equilibrium position. Include in your answer how the profit position is determined (10) 3.1 2 Determine why Shine is able to establish this profit position in the short-run, using the characteristics of the market structure this firm falls within as the basis for your