Write out your answers completely. For example, $25$ million should be entered as $25,000,000.$ Round your answers to the nearest dollar, if necessary. Negative values, if any, should be indicated by a minus sign. What was net operating working capital for $2020$ and $2021?$ Assume the firm has no excess cash.

What was the $2021$ free cash flow?

How would you explain the large increase in $2021$ dividends?