Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to remove scuff marks from car vinyl [title] Create a homemade vinegar-based cleaner. [step] If you don't want to purchase a specially made degreaser or scuff remover, you can try making a homemade cleaner first. Combine equal parts of white vinegar and water.

Ending1: Add a few drops of the vinegar and water and mix well. This mixture is well-acidic and is suitable for dealing with metal or hard surfaces, like rubber. Ending2: Pour the mixture into a clean spray bottle. [title] Use a magic eraser to buff out scuffs. Ending3: After you've combined the two liquids, combine them with a fine-headed spoon to form a solution. [substeps] The solution should be about 60% vinegar and 60% water. Ending4: Incorporate 5 parts vinegar to 7 parts water, then mix them together. Allow the cleaner to sit in the vinegar as it dissolves the scuff marks.

Answer format: ending1/ending2/ending3/ending4