The correct answer is A. Quantity supplied is determined by production costs, and quantity demanded is determined by a desire for the product.
Demand as the amount of any product a consumer wants to buy at any price. So beyond Price, when someone wants to buy it is supposed he has a desire o necessity. So income is an important consideration.
Quantity supplied is considered to be the limit in the quantity that sellers will offer for sale at a given price. The supply price influence on quantity supplied. Supply is greater if the price is higher, but less if the supply price is lower.
The primary purpose of the federal deposit insurance corporation is to "protect depositors from the loss". This also inspires confidence in the economy as a whole.
