Match the following:
| a. Cardinal approach | 1. Marginal utility |
| b. Ordinal approach | 2. Alfred Marshall |
| c. Hicks-Allen approach | 3. J. R. Hicks |
| d. Consumer's surplus | 4. Indifference curve |
A. a-4, b-3, c-1, d-2
B. a-1, b-2, c-3, d-4
C. a-3, b-4, c-2, d-1
D. a-2, b-4, c-1, d-3
Answer: Option B

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