Answer:
$50 or slightly less
Explanation:
If we assume that there is four persons namely E, S, A and K
The producer surplus is the surplus that shows the difference between the seller value and the seller cost
In the case when the seller bid against each other so here the producer surplus would be $100 or slightly less
Here only one person could able to send the good i.e. person E As the cost to the person would be lowered by the goods value
Therefore the option B is correct