A. Each of the following parts describes a firm that was an early mover in its market. In light of the information provided, indicate whether the firmâ€™s position as an early mover is likely to be the basis of a sustainable competitive advantage, and explain why or why not.A bank has issued the largest number of ATM cards in a large urban area. Banks view their ability to offer ATM cards as an important part of their battle for depositors, and in this market a customerâ€™s ATM card for one bank does not work on the ATM systems of competing banks.A firm has a 60% share of T3MP, a commodity chemical used to make industrial solvents. Minimum efficient scale is thought to be 50% of current market demand. Recently, a change in environmental regulation has dramatically raised the price of a substitute chemical that indirectly competes with T3MP. This undermines the market for the substitute, which is about twice the size of the market for T3MP.B. In defending his company against allegation of anticompetitive practices, Bill Gates, claimed that if someone developed an operating system for personal computers that was superior to Microsoftâ€™s Windows 95 operating system, it would quickly become the market leader, just as Gatesâ€™ DOS System became the market leader in the 1980â€™s. Opponents countered that the market situation has changed so that even a markedly superior operating system wouldnâ€™t capture significant market share. Comment.