Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to increase online sales [title] Establish measurable goals. [step] If you don't have an exact goal in mind it will be much harder to track improvement. Determine exactly how much you want to increase your sales by and over what time period you want to accomplish this goal.

Ending1: [substeps] Doing this will ensure that you're working at goals that have substantial, measurable long-term effect. There are several approaches to goal-tracking that focus on creating an effective business plan. Ending2: [substeps] Start by defining the goal you want to achieve. Rank the goals so they are clear and measurable. Ending3: [substeps] For example, perhaps you are looking to increase your productivity by over 50% over a year. It will be difficult, as you won't be able to track your progress 100 %. Ending4: The more nebulous your target is, the more difficult it will be to increase your sales. [substeps] It's okay to pick an aggressive goal, but don't choose something that is impossibly out of reach.

Answer format: ending1/ending2/ending3/ending4