make sure answer is correct please and show work

Question 1) As part of a study for the Department of Labor Statistics, you are assigned the task of evaluating the improvement in productivity of small businesses. Data for one of the small businesses you are to evaluate are shown at right. The data are the monthly average of last year and the monthly average this year. Determine the multifactor productivity with dollars as the common denominator for: 1. Last year. 2. This year. 3. Then determine the percentage change in productivity for the monthly average last year versus the monthly average this year on a multifactor basis. - Labor: $8 per hour - Capital: 0.83% per month of investment - Energy: $0.60 per BTU Question 2) In December, General Motors produced 6,600 customized vans at its plant in Detroit. The labor productivity at this plant is known to have been 0.10 vans per labor-hour during that month. 300 laborers were employed at the plant that month. 1. How many hours did the average laborer work that month? 2. If productivity can be increased to 0.11 vans per labor-hour, how many hours would the average laborer work that month? Question 3) Lake Charles Seafood makes 500 wooden packing boxes for fresh seafood per day, working in two 10-hour shifts. Due to increased demand, plant managers have decided to operate three 8-hour shifts instead. The plant is now able to produce 650 boxes per day. 1. Calculate the company's productivity before the change in work rules and after the change. 2. What is the percentage increase in productivity? 3. If production is increased to 700 boxes per day, what is the new productivity