3. The components of marginal revenue Hubert's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Hubert produced three fire engines, but he has decided to increase production to four fire engines. The following graph shows the demand curve Hubert faces. As you can see, to sell the additional engine, Hubert must lower his price from $125,000 to $75,000 per fire engine. Note that while Hubert gains revenue from the additional engine he sells, he also loses revenue from the initial three engines because he sells them all at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial three engines by selling at $75,000 rather than $125,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $75,000. Hubert increase production from 3 to 4 fire engines because the dominates in this scenario. True or False: If Hubert's Fire Engines were a competitive firm instead and $125,000 were the market price for an engine, decreasing its price from $125,000 to $75,000 would result in a decrease in the production quantity, but an increase in total revenue. True False