| Price | 5/- | or | 60 pence |
| Trade price | 3/9 | 45 pence | |
| Wholesale price | 3/4 | 40 pence | |
| Discount for prompt payment |
3/3 | 39 pence | |
| Bakers' dozens | 3/- | 36 pence | |
| Production cost | 1/6 | 18 pence | |
| Profit | 1/6 | 18 pence | |
| Half share profit | 9 pence |
Last Updated : 21 March 1997