Question

# Develop a production plan and calculate the annual cost for a firm whose demand forecast is...

 Develop a production plan and calculate the annual cost for a firm whose demand forecast is fall, 10,000; winter, 8,000; spring, 7,000; summer, 12,000. Inventory at the beginning of fall is 500 units. At the beginning of fall, you have 30 workers. It is not possible to hire any additional workers until next Summer, at which time temporary workers will be hired at the beginning of Summer and laid off at the end of Summer. Therefore, no hiring or laying off is possible in the Fall, Winter or Spring. In addition, you have negotiated with the union an option to use the regular workforce on overtime during winter or spring only if overtime is necessary to prevent stockouts at the end of those quarters. Overtime is not available during the fall. Relevant costs are hiring, \$100 for each temp; layoff, \$200 for each worker laid off; inventory holding, \$5 per unit-quarter; backorder, \$10 per unit; straight time, \$5 per hour; overtime, \$8 per hour. Assume that the productivity is 0.5 unit per worker hour, with eight hours per day and 60 days per season. (Round up "Number of temp workers" to the next whole number and all other answers to the nearest whole number. Negative values should be indicated by a minus sign. Leave no cells blank - be certain to enter "0" wherever required.)

 Fall Winter Spring Summer Forecast 10,000 8,000 7,000 12,000 Beginning inventory Production required Production hours required Production hours available Overtime hours Temp workers Temp worker hours available Total hours available Actual production Ending inventory Workers hired Workers laid off

 Fall Winter Spring Summer Straight time \$ \$ \$ \$ Overtime Inventory Backorder Hiring Layoff Total \$ \$ \$ \$ Annual cost \$

Solution :

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