(a) Provide a real-life example of a product that falls into the category of public goods. You need to justify it using the economic concepts learned in these two weeks. Provide a solution to the problem associated with this type of good. (b) Provide an real-life example of a product that falls into the category of common resources. You need to justify it using the economic concepts learned in these two weeks. Provide a solution to the problem associated with this type of good