Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to choose between a bagless and a bagged vacuum cleaner [title] Determine how environmentally-friendly you want your vacuum cleaner to be. [step] Bagless vacuum cleaners tend to be better for the environment. This is because they do not produce anything to throw away other than the dirt collected.

Ending1: Simple vacuuming will often produce items to throw away without harm, but bagless vacuums will produce more materials to dispose of or to be reused. [substeps] Choose bagless vacuum cleaners with free air-filter attachments. Ending2: Bagless machines can be clean more easily and without clumping and rubbing, but bagless vacuums tend to produce a lot of fumes and stink. [substeps] Bagless vacuums usually take up less space on a wall, overhead or along an open window or door than bagless ones. Ending3: Bagless vacuum cleaners range in price from $100 to several hundred dollars. They are good for cleaning microfiber floors, toilet floor, or clean sinks. Ending4: Bagged vacuums, on the other hand, may go through dozens or hundreds of disposable bags during their lifetimes. Keeping excess trash out of landfills benefits the environment.

Answer format: ending1/ending2/ending3/ending4