Productivity measurement is complicated by

Productivity measurement is complicated by the fact the precise units of measure are often unavailable. When you are managing productivity it can vary based on each task or the person completing the tasks. Because of this, it makes it complicated for management to measure productivity as there could be no units or no comparable units to measure. Productivity is better reflected on the outcome of what they do complete versus what they do not. 

Inventory TO9

Gross profit percentage:  55%

Explanation:

Inventory Turnover

where:

COGS 17,100

beginning: 1,800

ending:      2,000

Average Inventory: 1900

Inventory TO9

Gross profit percentage:

Gross profit percentage: 0.55 = 55%