Metalfab Pump and Filter Inc. estimates that the cost of steel bodies for pressure valves will increase by $2 every 3 months. If the cost for the first quarter is expected to be $80. What is the present worth of the costs for a 5-year time period at an interest rate of 1.1% per quarter?

Gdp has grown in a country at 3% per year for the last 20 years. the labor force has grown at 2% per year and the quantity of physical capital has grown at 4% per year. a 1% increase in average physical capital per worker (other things equal) raises productivity by 0.3%. average education has not changed. how much has growing physical capital per worker contributed to productivity growth in this country? choose the correct answer from the following choices, and then select the submit answer button. answer choices 0.3% 0.6% 3.0% 6.0%