Identify which standard of comparison, 

(a) Intracompany, 

(b) Competitor, 

(c) Industry, or 

(d) Guidelines, best describes each of the following examples.

1. Compare Ford’s return on assets to GM’s return on assets.

2. Compare a company’s acid-test ratio to the 1:1 rule of thumb.

3. Compare Netflix’s current year sales to its prior year sales.

4. Compare McDonald’s profit margin to the fast-food industry profit margin.