Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to develop a complete trading system [title] Understand what a trading plan is. [step] A trading plan is an overview of your entire trading system. This makes it a natural place to start since it touches on every component.

Ending1: [title] Understand what a rough method of growth for your company's decision to make. [step] This approach provides your resources with a beginning and then place that opposite. Ending2: [substeps] An overview of the system is often unpleasant. If a trading plan becomes overwhelming and unproductive, it may be a no-brainer to make a more complex plan. Ending3: It covers everything from why and what type of stock trader you will be, to how your will conduct your trades and with whom. It even provides back-up contingency plans for emergency situations. Ending4: However, it also has a relatively large variety of organizational structures. This is the most important aspect of a successful trading strategy.

Answer format: ending1/ending2/ending3/ending4