Based on the financial statements provided, answer the following premises:

1. Calculate the change in the company's net working capital between the years 20x8 and 20x9. Explain what the change in working capital could be for that period.

2. Calculate the following values for the company for the year ending in 20x9. Present evidence of all your calculations

to. NOPAT - Net Operating Profit after Taxes

b. OCF - Operating Cash Flow

c. FCF - Free Cash Flow

3. Discuss the meaning of each of the measures calculated in the previous question, both for management and for investors and creditors, among other constituents.

4. What is the main cause of the differences between the company's earnings and the cash flows of the same period evaluated?