The economy of the United States can be described by the Solow growth model. The following are some characteristics of the United States economy: Saving rate(s) 0.10 Depreciation rate (8) 0.012 Steady-state capital per worker (k) 4 Population growth rate (n) 0.04 Steady-state output per worker 100,000 a. What is the steady-state rate of growth of aggregate output in the United States? b. What is the rate of growth of output per worker in the United States in the steady-state? c. What is the level of steady-state investment per worker in the United States? (NB: Write out only your final answer)