A farmer buys a used tractor for Rs. 12000. He pays Rs. 6000 cash and agrees to pay the balance in annual instalments of Rs. 500 plus 12% interest on the unpaid amount. How much the tractor cost him?

Explanation

To find out how much the tractor cost the farmer in total, we will break down the payments and calculate the total cost step by step.

### Step-by-Step Solution:

1. **Initial Payment**: The farmer buys the tractor for Rs. 12,000 and pays Rs. 6,000 in cash.
\[ \text{Initial Payment} = 6000 \]
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