| Month | Units purchased | Units sold | Cost per unit | Price per unit |
| January | 50 | 0 | 100 | 150 |
| March | 100 | 25 | 110 | 150 |
| May | 0 | 60 | n/a | 175 |
| June | 125 | 0 | 125 | 175 |
| July | 120 | 0 | 150 | 180 |
| October | 0 | 80 | n/a | 200 |
| December | 0 | 60 | n/a | 225 |
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