Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to donate empty ink and toner cartridges to charity [title] Explore recycle4charity. [step] Recycle4charity is one of the oldest online virtual recycling centers in the united states. At recycle4charity, you are provided with free prepaid ups shipping boxes and labels.

Ending1: You can either buy your empty ink and toner printer cartridges at disposal, or try recycling larger sized bottles from charity shops. Either option will give you some small profit, but be aware that giving small bottles or toner is a few hundred percent less affordable than buying brand new ink. Ending2: You can send empty toner and ink cartridges in for free and the money from your cartridges goes to charity. [substeps] Recycle4charity donates money to charities of their choosing. Ending3: [substeps] You are bound to be visited by the recycling operators within 10 days of bringing your ink and toner kit, plus you can use any tools or trucks your company may have. [title] Consider online recycle4charity listings. Ending4: In exchange for leaving empty ink and toner cartridges at landfills, you will receive a copy of a letter that claims you can donate to charity. [substeps] Many photoshop companies offer discount resold ink liters online.

Answer format: ending1/ending2/ending3/ending4