Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to choose an ergonomic office chair [title] Look for the ability to adjust the chair's height. [step] The height of your ergonomic chair should be fully adjustable. The chair's seat should be easy to move either upwards or downwards.

Ending1: When one end of the chair leans too high, the seat can be tightened out of position. [substeps] If your chair sits too high, the extra height is lost over time and the easiest solution is to drop the chair several inches to the floor. Ending2: This adjustment will allow for people of different heights to comfortably sit in the chair. Make sure you can adjust how high or low the the seat is before purchasing your chair. Ending3: Most ergonomic chairs will have top windings or ribs to support your weight. [substeps] If you're a guy who likes to lift comfortably, consider a reclining chair. Ending4: [substeps] A higher height will help you " work at it " and leave you with less than optimal results. A chair with a seat that is not adjustable can cause computer and online distractions throughout your day.

Answer format: ending1/ending2/ending3/ending4