Final answer:
The contract price for lettuce in the KGM Harvesting Company's delivery was not provided. KGM Harvesting Company would adjust their selling price to remain competitive when the price of lettuce rose.
Step-by-step explanation:
In the context of KGM Harvesting Company's lettuce delivery, the contract price for lettuce was not provided in the given information. However, based on the information given, agricultural growers face conditions similar to those faced by the KGM Harvesting Company, where all sellers charge the 'going rate' to not lose customers to competitors. When the price of lettuce rose, KGM Harvesting Company would likely have adjusted their selling price to remain competitive in the market and avoid losing customers to other lettuce suppliers.