Classical School of Thought অনুযায়ী দামস্তর নির্ধারিত হয় নিম্নের কোন factor দ্বারা?

Instructions for this Question:

This is a Multiple Choice Question (MCQ) that requires a justification. To receive full credit, please complete both parts of the task:

  
1. Select the Correct Option: Carefully read the question and all available choices, then select the single best answer.
  
2. Provide an Explanation: In the space provided, clearly explain the reasoning behind your choice. State why your selected option is correct and, if applicable, briefly mention why the other options are incorrect.

Note: Selecting the correct option without providing a valid explanation may result in partial or zero credit.