You are asked to evaluate the firm's productivity by comparing 2 year's performance. The following data is available: output (units) labor (hour) capital $ machinery $ cost of labor $ 2005 21,000 7,500 9,000 75,000 18 2006 23,500 8,500 8,750 78,000 20 What is the firm's labor hour productivity in 2005? Specify its unit. What is the firm's non-labor productivity in 2005? Specify its unit. What is the firm's total productivity in 2006? Specify its unit. What is the percentage change in total productivity? Specify if it is an increase or a decrease in productivity.