8. Monopolies and innovation. You saw in lecture that monopolies can benet by inventing new products that qualify for patent protection. The justication for the patents is that innovation helps consumers so let's see an example of how that can happen. Many companies make devices to help monitor blood sugar which is important for managing diabetes. The technology to do this is old so the devices are sold in a competitive market at marginal cost, $40. The demand for the device is described by Q): 100 2P so you can graph the demand and nd the current consumer surplus in this marketplace. What is the consumer surplus? at