Final answer:
A seller would be willing to sell a product if the price received is greater than the cost of production.
Step-by-step explanation:
A seller would be willing to sell a product if the price received is greater than the cost of production. This is because the seller wants to make a profit, and if the price received is lower than the cost of production, they would be selling at a loss. Therefore, the correct answer is option c) greater than the cost of production.