Please provide the definitions of the 2 following "key ratios" of the financial statement and explain with help of the development of these numbers how the top management can assess that the "Purchase -Manager has worked successfully over the past 2 years. a) Ratio: Return on sales (=revenue) Ratio: EBIT - Cost of Sales - Ratio b) 2.10 Please connect the terms "China Price"- "Market Structure" and "Economic of Scale". 2.9