Correct Answer - Option 1 : Rs 28,000

**Given**

selling price = Rs.31,920

Profit% = 14

**Concept**

If selling price and profit% is given, then the formula for finding the cost price is as follows:

Cost price = [100/(100 + profit%)] × Selling price

**Calculation**

Cost price = [100/(100 + 14)] × 31,920

⇒ Rs.28,000

**∴ The cost price is Rs 28,000.**