Research about differential reinforcement of sex-appropriate behavior suggests that

Research about differential reinforcement of sex-appropriate behavior suggests that "fathers are more likely than mothers to discourage youngsters from playing with gender-inappropriate toys".

Explanation:

To understand why Fathers are more likely to discourage youngsters from plying with gender-inappropriate toys we have to realize what is its cause. First of all sexism and its association with stereotypes is the cause of this behavior but ignorance, repression, fear, and beliefs are the main reasons fathers perform it.

Let's think about our modern society, it is based on hundreds of years of beliefs, customs, and lifestyles. Wichi in the majority of the cases is followed because someone taught us how to live. The thing is this culture and ideologies have made the men a very susceptible judging machine in which if he doesn't think something is right he is not going to let it happen. Of course, in many cases, it is based on his beliefs, beliefs that certain toys will turn his son or daughter into something he isn't supposed to be without knowing it for a fact. Classifying activities, functions, and objects by gender is a big mistake because there is no wrong in gender construction and the gender barriers only limit our society.

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.