CHASE / HIRE-FIRE GIVEN: : 3,000 UNITS 8 BEGINNING INV BEGINNING WORKERS AVGE. MONTHLY OUTPUT PER WORKER WORKERS $1,000 PER WORKER 5,000 HIRING COST SUBCONTRACTING COST FIRING/LAYOFF COST $1.15 UNITS/WORKER PER UNIT/MONTH PER UNIT INV. HOLDING COSTS $0.30 $1,500 PER WORKER REG. PRODUCTION COST $0.80 PER UNIT PERIOD JAN FEB MAR APR MAY JUN JUL AUG TOTAL COST/CATEGORY TOTAL COST PER CATEGORY DEMAND 35,000 50,000 40,000 55,000 55,000 60,000 65,000 75,000 435,000