Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to use a formula to think like warren buffet [title] Avoid technology companies if you cannot easily understand them. [step] The same is true if they have competitors you cannot easily understand. Any time that you're not able to decipher the purpose, mission or actions of a company (or those of its nearest competition), that should be a warning sign to you as an investor.

Ending1: [title] Understand that where you are and what company you work for will play a dramatic role. [title] Understand you will rarely be able to fully understand how a new investor runs his business. Ending2: This doesn't be a consequence that only you can put them down. However, it doesn't make a profit, either. Ending3: [title] Make sure you were notified of their monitor software protection status, whether it came from a company owned by you or by a competitor. [title] Consider how you can use a task card. Ending4: Invest in companies with strategies and goals that are transparent to you. [title] Avoid companies in industries with low profit margins.

Answer format: ending1/ending2/ending3/ending4