9 During the next four quarters, Wivco faces the following demands for globots: quarter 1—13 globots; quarter 2—14 globots; quarter 3—12 globots; quarter 4—15 globots.

Globots may be produced by regular-time labor or by

overtime labor. Production capacity (number of globots)
and production costs during the next four quarters are shown in Table 63. Wivco has set the following goals in order of importance:
Goal 1 Meet each quarter’s demand on time.
Goal 2 Inventory at the end of each quarter cannot exceed 3 units.
Goal 3 Total production cost should be held below $250.
Formulate a preemptive goal programming model that could be used to determine Wivco’s production schedule during the next four quarters. Assume that at the beginning of the first quarter 1 globot is in inventory.

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TABLE 61 Teacher 1 234 2497 Marketing Finance Production Statistics 7 8 7 35 5 5 5855 5 9 8476