Superfast Internet (SI henceforth) is a major provider of high-speed internet services in a metropolitan area. Their primary target market includes working professionals and small businesses. SI is considering raising its monthly subscription fees to increase revenue. However, they are concerned about the potential impact of this decision on their customer base. Analyze the given scenario by addressing the following points: a) Explain the concept of price elasticity of demand and how it can be used to inform SI's decision. (4) b) Discuss the factors that could influence the price elasticity of demand for SI's high-speed internet services. (6) c) Assuming that the demand for high-speed intemet services is price elastic, analyze the potential consequences of raising the subscription fees on SI's revenue and customer base. d) Recommend alternative strategies that SI could consider increasing revenue while minimizing potential negative effects on their customer base. (8)