Describe the essential features of a model economy for which each of the following statements is true. The features might include the rate of population growth, money supply growth, endowments, and government policies. A) The gross rate of return on fiat money is 1. The monetary equilibrium also satisfies the golden rule allocation. B) The price level doubles from period to period. The monetary equilibrium also maximizes the utility of future generations. C) The gross rate of return on fiat money is 1. The monetary equilibrium does not maximize future generations' utility