Spanish. The majority of people in that area are of Hispanic decent
You buy some shoes for $25 you want to sell them and get more money than you spent ("Profit") if you sell them for $10, you wasted $15 and only gained $10 back so its not $10 or $25 so its $50
I believe the answer is: informed consent
Informed consent refers to the process of obtaining permission from someone who is about to receive a certain procedure. During the process, the performer of the procedure would be legally obligated to explain how the procedure is being done along with the risk that the receiver might face because of the procedure.