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Problem 2. RentCar is developing a replacement policy for its car fleet over a 5-year planning horizon (from the start of year 1 to the
Problem 2. RentCar is developing a replacement policy for its car fleet over a 5-year planning horizon (from the start of year 1 to the start of year 6). At the start of each year, a car is either replaced or kept in operation. A car must be in service for at least 2 years, with a maximum service life of 4 years. The table below provides the replacement cost as a function of the year a car is acquired and the number of years in operation. Equipment Replacement cost ($) for given years in operation acquired at start of year 2 3 4 1 3800 4100 6800 2 4000 4800 7000 3 4200 5300 7200 4 4800 5700 5 5300 Formulate the problem as a network model (with a sketch), set-up the integer programming problem, and solve for the optimal replacement policy which minimizes the cost. Hint: See Example 2. Problem 2. RentCar is developing a replacement policy for its car fleet over a 5-year planning horizon (from the start of year 1 to the start of year 6). At the start of each year, a car is either replaced or kept in operation. A car must be in service for at least 2 years, with a maximum service life of 4 years. The table below provides the replacement cost as a function of the year a car is acquired and the number of years in operation. Equipment Replacement cost ($) for given years in operation acquired at start of year 2 3 4 1 3800 4100 6800 2 4000 4800 7000 3 4200 5300 7200 4 4800 5700 5 5300 Formulate the problem as a network model (with a sketch), set-up the integer programming problem, and solve for the optimal replacement policy which minimizes the cost. Hint: See Example 2
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