The diary of a young girl. what was the purpose of writing her diary

Do you mean Kitty, Anne Frank's diary?

She received at her 13th birthday.

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.

answer; acquired mainly during early childhood;