help please

For each account on this company's balance sheet, show the change in the account during 2021 and note whether this change was a source or use of cash. (If there is no action select "None" from the dropdown options. Leave no cells blank - be certain to enter "O" wherever required. A negative answer should be indicated by a minus sign.) For each account on this company's balance sheet, show the change in the account during 2021 and note whether this change was a source or use of cash. (If there is no action select "None" from the dropdown options. Leave no cells blank - be certain to antar "O" wherever reauired. A neqative answer should be indicated by a minus sign.)