et the current year's requirements and is paid full salary for the current year.
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
A bus company believes that it will need the following numbers of bus drivers during each of the next five years. 60 drivers in year 1: 70 drivers in year 2; 50 drivers in year 3; 65 drivers in year 4; and 75 drivers in year 5. At the beginning of each year, the bus company must decide how many drivers to hire or fire.it costs $4000 to hire a driver and $2000 to fire a driver. A driver's salary is $10000 per year. At the beginning of year 1 the company 50 drivers. A driver hired at the beginning of a year can be used to meet the current year's requirements and is paid full salary for the current year.
A. Determine how to minimize the bus company's salary, hiring and firing costs over the next five years?
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