Read this excerpt from "The Piñata." The paste cracked and flaked on my arms and hands from the heat of the garage. The old man pulled a small pocket knife from his back pocket. He cut open the jugs and taped the balloons to them to make a piñata form. He looked at me once more, and I knew what to do next. I returned to the bucket full of paste and handed him strip after sticky strip.

Why does the author include this imagery?

It shows the narrator's pride in his craftsmanship.
It reveals the uncomfortable, tedious nature of the routine.
It illustrates the loving bond between grandfather and grandson.
It proves the grandfather’s unkindness to his family members.