Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to donate your body to science [title] Understand what happens when you donate your body to science. [step] Before you die, you will have chosen a facility or program and filled out the necessary paperwork. After you die, someone will contact the facility or program which will usually collect your body.

Ending1: [substeps] You will now have tokens that you acquired from the facility or program, which can be credited to the donation program. Collectors won't recognize tokens issued to them. Ending2: Once they have your body, several things could be done with it. [substeps] Donated bodies are used for testing new medical tools and equipment, testing car safety products, studying stages of advanced decay, studied for anatomy purposes, and testing new surgeries, among other things. Ending3: This facility will then send you clean clothes. A waste collection facility will then collect your body or donate it to a local library for collection. Ending4: [substeps] Whatever your state laws and regulations, you will have to get to a proper facility at least a few weeks before your death so that you can convince the facility or program to contact you. You will probably need to pay an added $200 to the institution in which you donate or some additional fees until you die.

Answer format: ending1/ending2/ending3/ending4