Match the following.
| List-I | List-II |
| a. Core service | 1. Hair spa on a special haircut |
| b. Supplementary service | 2. Haircut by barber |
| c. Physical evidence | 3. Revenue |
| d. Price | 4. Signboards |
A. a-2, b-4, c-1, d-3
B. a-2, b-1, c-4, d-3
C. a-2, b-3, c-1, d-4
D. a-3, b-2, c-4, d-1
Answer: Option B

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