Kenji's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Kenji produced eight fire engines, but he has decided to increase production to nine fire engines. The following graph shows the demand curve Kenji faces. As you can see, to sell the additional engine, Kenji must lower his price from $80,000 to $60,000 per fire engine. Note that although Kenji gains revenue from the additional engine he sells, he also loses revenue from the initial eight engines because he sells them all at the lower price