Based on Evans (1984). Currently, State University can store 200 files on hard disk, 100 files in…

Based on Evans (1984). Currently, State University can store
200 files on hard disk, 100 files in computer memory, and 300 files on tape.
Users want to store 300 word-processing files, 100 packaged-program files, and
100 data files. Each month a typical word processing file is accessed eight
times; a typical packaged-program file, four times; and a typical data file,
two times. When a file is accessed, the time it takes for the file to be
retrieved depends on the type of file and on the storage medium. The times are
listed in the file P05_70.xlsx. The goal is to minimize the total time per
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Based on Evans (1984). Currently, State University can store
200 files on hard disk, 100 files in computer memory, and 300 files on tape.
Users want to store 300 word-processing files, 100 packaged-program files, and
100 data files. Each month a typical word processing file is accessed eight
times; a typical packaged-program file, four times; and a typical data file,
two times. When a file is accessed, the time it takes for the file to be
retrieved depends on the type of file and on the storage medium. The times are
listed in the file P05_70.xlsx. The goal is to minimize the total time per
month that users spend accessing their files. Determine where files should be
stored.

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