Answer:
c. lower the price of that item
Explanation:
If the revenues from a product begin to fall, most probably the product is entering the decline stage of its product cycle. In the initial stages of the decline stage, sales begin to drop.
When sales begin to drop, producers implement strategies to try and keep the product in the market for a longer time. One of the ways of maintaining sales is to offer reduced prices. A producer cuts prices to woe customers to continue buying the product.