Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to choose eco friendly school supplies [title] Check what is on your required list. [step] Then find out how much room to move you have on the recommended supplies. If you don't have to choose the exact same items listed, then you can swap them out for eco-friendly versions.

Ending1: [substeps] Make sure your school supplies are non-organic and can be easily removed, and not contaminated with any chemicals, etc. Sometimes, you can get them from your grocery store or the counter counter. Ending2: You can place items in the same order (via shelving units, or even with wall-mounted desks), with the same sorting system (with bins for big stuff). [substeps] Check with your parents or a trusted adult as soon as you discover what you need. Ending3: [title] Choose a color scheme, such as blue and green, that makes your items seem fresh and new. [step] Brown is the least expensive option, while black is expensive. Ending4: [substeps] In some cases, the school supplies list may already have taken eco-friendly needs into account. If so, you're all set! In other cases, you may find it hard to substitute some items, such as the plastic pockets mentioned in the above list.

Answer format: ending1/ending2/ending3/ending4