Please answer everything asap

Part 1.

Which of the following are strategies to gain competitive advantage in an industry? Select ALL correct answers.

Cost leadership

Environment focus

Technology leadership

Differentiation

Part 2.

According to the screenshot, what formula can you use in order to return the result "NA" instead of the current error message?

Review Later

=IF(B1/C1,ERROR, "NA")

=IF(B1/C1,ERROR, NA)

=IFERROR(B1/C1,"NA")

=IFERROR(B1/C1,NA)

Part 3.

How to add the months from the raw data as labels in the following bar chart?

Right click the chart - Select Data - Select D45:O45 as axis label range

Right click the chart - Format Axis - Select D45:O45 as labels

Right click the chart - Chart Options - Select D45:O45 as axis label range

Right click the chart - Format Data Series - Select D45:O45 as primary axis

Part 4.

A company has annual sales of $32,000 and accounts receivables of $2,200. The gross profit margin is 31.3%.

The receivable days estimated from the data above is ______.

21.7

18.5

25.1

32.4