Swapna produces cotton on her farm.
At the beginning of the cropping season, the trader had lent money to Swapna.
The condition was Swapna would sell all her cotton to the trader.
In this way, Swapna was bound to the agreement.
The trader took advantage of the situation and paid Swapna a very low price for her cotton.
FINAL ANSWER
Swapna was bound to an agreement with the trader, so the trader as an advantage paid her a very low price.