Match List-I with List-II and select the correct answer:<br><table class="table-style-1"> <tr> <td>List-I</td> <td>List-II</td> </tr> <tr> <td>a. Real cost</td> <td>1. Aggregate of accounting costs and implicit costs</td> </tr> <tr> <td>b. Money cost</td> <td>2. Physical quantities of factors used in production</td> </tr> <tr> <td>c. Opportunity Cost</td> <td>3. Monetary expenditure on inputs</td> </tr> <tr> <td>d. Economic cost</td> <td>4. Sacrifice of alternative use of given resources</td> </tr></table>

Correct Answer: a-2, b-3, c-4, d-1