Indicate whether each of the following is a topic of microeconomics or macroeconomics:a. The impact of higher oil prices on the production of steelb. The increased demand in the last 15 years for exotic dietary supplementsc. The surge in aggregate economic activity that hit much of Asia late in the early 2000sd. The sharp increases in U. S. employment and total output that occurred between 2003 and 2007e. The impact of preservation of wilderness areas on the logging industry and on the price of lumber

Michigan mattress company is considering the purchase of land and the construction of a new plant. the land, which would be bought immediately (at t = 0), has a cost of $100,000 and the building, which would be erected at the end of the first year (t = 1), would cost $500,000. it is estimated that the firm's afterminustax cash flow will increase by $100,000 starting at the end of the second year, and that this incremental flow would increase at a 10 percent rate annually over the next 10 years. what is the approximate payback period?

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)

Which statement best explains the relationship between points a and b? a. consumption reaches its highest point, and then supply begins to fall. b. inflation reaches its highest point, and then the economy begins to expand. c. production reaches its highest point, and then the economy begins to contract. d. unemployment reaches its highest point, and then inflation begins to decrease.