Please choose the correct ending to complete the given sentence: Cleaning sink: A brush is attached to a power drill for scrubbing. The top of the sink is scrubbed then the bowl. it

Ending1: is then affirmed that it is proper to scrub. Ending2: is then rinsed, then wrung out. Ending3: is wiped with a towel to finish. Ending4: is cleaned with an alcohol solution and various cleaners are used.

Answer format: ending1/ending2/ending3/ending4