October November December January February March April May June Sales Forecast (in million $) 12.50 10.00 16.25 5.00 5.00 7.50 10.00 12.50 17.5 (in units) 5,000 4,000 6,500 2,000 2,000 3,000 4,000 5,000 7,00 Actual (in units) 4,384 3,626 6,065 Difference month (616) (374)| (435) Difference cumulative (990) (1,425) Operations Plan (in units) 5,000 4,000 | 6,500 (1,468) 2,176 3,348 4,000 | 5,000 7,00 (in employees) 72 70 114 (24) Number working days/month 23 19 19 20 24 35 49 67 76 10 21 23 20 22 2 Actual (in units) 5,649 4,091 7,279 Difference month 649 91| 779 Difference cumulative 740 1,519 Inventory Plan (in units) 1,270 1,270 1,270 476 652 1,000 1,000 1,000 1,00 (in 1,000 $) 2,223 2,223| 2,223 833 1,141 1,750 1,750 1,750 1,75 Actual (in units) 2,265 2,730 3,944 Days of supply 12 9 39 5 5 5 4 3 Avg. cost (in 1,000 $) per unit of Inventor $ 1.75 Employee productivity 3 units/day