B. Benefit of fertilizer is lower than the market price.
Explanation:
The Reason why the benefit of the fertilizer is lower than the market price because
1. Against Ethics- As the plant produces bad odor , the nearby residing community gets affected which indirectly affects the benefits of the fertilizer.
2. Hindrance in Production - in the Ronald plant working has a bottleneck because of the odor which would not help the plant to work in the long run.
3. Customer Degradation- Because of the plant condition , word of mouth would spread a bad impression of the Ronald plant that would lead to the decrease of customer foot fall.