| Sales | Return on Investment for a Single Store | ||||
| aily turnover | Monthly turnover | Monthly gross profit rate | Monthly net margin | Annual net margin | |
| 500 | 15000 | 10500 | 6500 | 78000 | |
| 1000 | 300000 | 21000 | 15000 | 180000 | |
| 2000 | 60000 | 42000 | 25000 | 300000 | |
| 3000 | 90000 | 63000 | 50000 | 600000 | |
| Sales | Number of Store Startup and Return on Investment | ||||
| Number of stores opened | One store | Two stores | Three stores | Four stores | |
| Annual sales | 360000 | 500000 | 720000 | 960000 | |
| Annual net margin | 180000 | 250000 | 350000 | 500000 | |