In guadalajara, mexico, mercado libertaddashsan juan de dios is a vast, crowded, bustling array of booths and vendors selling everything from shoes and fruit to saddles and motorbikes. in a larger sense, the entire economy of mexico is much like mercado libertaddashsan juan de dios, with people buying and selling constantly. both of these are examples of a. a planned economy b. privatization c. a market d. communism e. socialism

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i. e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?