Costs of business-reply envelope returns and stamped envelope returns
| Scenario-1 | Scenario-2 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Business-reply envelope response rate=50% | Stamped return envelope response rate=55% | Business-reply envelope response rate=80% | Stamped return envelope response rate=88% | |||||||||
| Unit cost | Number | Total cost | Unit cost | Number | Total cost | Unit cost | Number | Total cost | Unit cost | Number | Total cost | |
| Cost of mailing | ||||||||||||
| Postal cost for mailing out survey packet | ¥120 | 10000 | ¥1200000 | ¥120 | 10000 | ¥1200000 | ¥120 | 10000 | ¥1200000 | ¥120 | 10000 | ¥1200000 |
| Stamp for return envelope | ¥120 | 10000 | ¥1200000 | ¥120 | 10000 | ¥1200000 | ||||||
| Cost for postpayment by the recipient | ¥135 | 5000 | ¥675000 | ¥135 | 8000 | ¥1080000 | ||||||
| Total cost | ¥1875000 | ¥2400000 | ¥2280000 | ¥2400000 | ||||||||
| Number of responses | 5000 | 5500 | 8000 | 8800 | ||||||||
| Cost per response | ¥375 | ¥436 | ¥285 | ¥273 | ||||||||