| Period (Months) | Demand (units) |
| January | 40 |
| February | 45 |
| March | 50 |
| April | 40 |
| May | 50 |
| June | 55 |
| July | 60 |
| August | 50 |
| September | 70 |
| October | 65 |
| November | 60 |
| December | 80 |
| Sum | 665 |
| Average | 55.42 |