(a) Situation 1: Calculating OMR amount of markup and percent markup on cost. (2.5 Marks) Signature jeans cost, OMR 1800. Signature jeans selling price OMR 2300. (b) Situation 2: Calculating selling price based on following information. (2.5 Marks) Lamp cost, OMR200. 40% markup on selling price (Situation 3: Calculating cost based on following information (2.5 Marks) Tennis racket selling price OMR 800 40% markup on cost (d) What is the formula to convert percent markup on selling price to percent markup on cost? How could you explain that a 40% markup on selling price, which is a 66.7% markup on cost, would result in the same OMR markup? (2.5 Marks)