4. Three refineries with daily capacities of 6, 5, and 8 million gallons, respectively, supply three distribution areas with daily demands of 4, 8, and 7 million gallons, respectively. Gasoline is transported to the three distribution areas through a network of pipelines. The transportation cost is 10 cents per 1000 gallons per pipeline mile. Table 1 gives the mileage between the refineries and the distribution areas. Refinery 1 is not connected to distribution area 3. (a) Construct the associated transportation model. (b) Determine the optimum shipping schedule in the network.

Pine Valley Furniture Pine Valley Furniture recently implemented a new internship program and has begun recruiting interns from nearby university campuses. As part of this program, interns have the opportunity to work alongside a systems analyst. This shadowing opportunity provides invaluable insights into the systems analysis and design process. Recently you were selected for a six-month internship at Pine Valley Furniture, and Jim Woo has been assigned as your supervisor. At an initial meeting with Jim Woo, he explains that Pine Valley Furniture is currently involved with two important systems development projects, the customer tracking system and WebStore. The purpose of the customer tracking system is to enable the PVF marketing group to track customer purchase activity and sales trends better. The WebStore project will help move the company into the twenty-first century by facilitating online furniture purchases, with an initial focus on corporate furniture buying. During your…

A fast-food restaurant has a drive-thru window and during peak lunch times can handle a maximum of 60 cars per hour with one person taking orders, assembling them, and acting as cashier. The average sale per order is $9.50. A proposal has been made to add two workers and divide the tasks among the three. One will take orders, the second will assemble them, and the third will act as a cashier. With this system, it is estimated that 85 cars per hour can be serviced.

ABC Solutions is a traditional company in a textile industry with a combined workforce of 150 staff. Due to increased levels of competition, this company is now increasingly finding it difficult to compete – especially as the larger companies seem to be a little more innovative, agile and responsive to client requirements. Management have noticed that staff, especially the highly skilled ones, are now leaving the company to seek work elsewhere (in these larger companies). This has meant appointing new staff and undertaking a considerable amount of re-training to replace those that have left the company. Apart from impacting on core business operations, ABC Solutions has started witnessing a drop in its profit margin. Given this position, senior management at ABC Solutions have decided to implement a performance measurement tool (PMT) that would allow them to align the strategic, management and operational requirements of the business. They are therefore considering the adoption of the…