Gotham City National Bank is open Monday through Friday from 9A.M. to 5P.M. From past experience, the bank knows that it needs the numbers of tellers listed in the file P04_104.xlsx. Gotham City Bank hires two types of tellers. Full-time tellers work 9A.M. to 5P.M.five days a week, with one hour off each day for lunch. The bank determines when a fulltime employee takes his or her lunch hour, but each teller must go between 12P.M. and 1P.M. or between 1P.M. and 2P.M. Full-time employees are paid (including fringe benefits) $8 per hour, which includes payment for lunch hour. The bank can also hire parttime tellers. Each part-time teller must work exactly three consecutive hours each day. A part-time teller is paid $5 per hour and receives no fringe benefits. To maintain adequate quality of service, the bank has decided that, at most, five part-time tellers can be hired. Determine how to meet the bank’s teller requirements at minimum cost.
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