In a low-income household in the developed world, more than 30% of a woman’s income typically goes toward

Clothing, jewelry, and cosmetics. That question is kinda sexist to be honest with you.

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.