Final answer:
The projected unit credit sales for each month are September: 3000 units, October: 3200 units, November: 4100 units, and December: 5600 units.
Step-by-step explanation:
The projected unit credit sales for each month are as follows:
- September: 3000 units
- October: 3200 units
- November: 4100 units
- December: 5600 units