PLEASE HELP!! a$.$ What was net operating working capital for $2020$ and $2021?$ Assume the firm has no excess cash.

$2020$: $

$2021$: $

b$.$ What was the $2021$ free cash flow?

$

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

I. The large increase in net income from $2020$ to $2021$ explains the large increase in $2021$ dividends.

II$.$ The large increase in EBIT from $2020$ to $2021$ explains the large increase in $2021$ dividends.

III. The large increase in free cash flow from $2020$ to $2021$ explains the large increase in $2021$ dividends.

IV$.$ The large increase in sales from $2020$ to $2021$ explains the large increase in $2021$ dividends.

V$.$ The large increase in retained earnings from $2020$ to $2021$ explains the large increase in $2021$ dividends.