Answer:
In the sentence, the narrator recounts the grandfather's notetaking most likely to Provide a contrasting image of rich and poor in his society.
Step-by-step explanation:
This paragraph shows in the first lines we have a description of how the things were specifically measured and counted, this was necessary to make sure they will be enough and then in the second part we see words like free and banquet which show a great opulence totally opposite to the first part of the paragraph.