For each of the following scenarios, explain which conversion strategy should be used to manage the conversion from an existing information system to a new information system. a) Drive-by Burgers Inc. (DbB) owns and operates a fast-food restaurant chain that has retail outlets across the country. DbB has developed a new order-by-texting system that allows customers to text in their order using their mobile device so it is ready when they arrive at the nearest location. Quality customer service is the key to DbB's success. (2 marks) b) A Stitch-In-Time Ltd. (SIT) is a garment alteration company that operates in a large shopping mall. SIT is currently using a popular accounting software package to keep track of its day-to-day transactions. SIT's accountant has asked it to change its software to another popular accounting package that links more closely with the software used in the accounting firm. (2 marks) c) ABX Pharmaceuticals Corp. (ABX) is a research company that requires software for workflow tracking and regulatory reporting. Accurate tracking and reporting are key factors to ensuring that new drugs are approved for consumption in a timely fashion. High costs are associated with missing deadlines or inaccurate reporting. ABX's in-house information technology staff has just developed new software to replace its existing regulatory reporting software. (2 marks