Merchants Tourists | The quality product | The product of inferior quality has not been investigated | The product of inferior quality has been investigated |
Cost P11 | S1 − P11, P11 − C1 |
|
|
Cost P12 | S1 − P12, P12 − C1 | ||
Cost P21 |
| (S2 − P21) (1 − q1), (P21 − C2) (1 − q1) | (S2 − P21) × q1, (P21 − C2 − M1) × q1 |
Cost P22 | (S2 − P22) (1 − q1), (P22 − C2) (1 − q1) | (S2 − P22) × q1, (P22 − C2 − M1) × q1 |