Use the following to answer questions:
Figure: Three Firms That Pollute 
-(Figure: Three Firms that Pollute) In the figure Three Firms That Pollute, at what tax rate would firm C produce zero tons of pollution?
Definitions:
Product Life Cycle
The progression through successive stages of a product from introduction to growth, maturity, and decline, affecting marketing and management strategies.
Sales Trends
The direction and movement in sales performance over a specified period of time, providing insight into consumer behavior and market demand.
Niche Consumers
A select group of consumers with very specific preferences and needs that are different from the larger market.
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