which of the following will not affect the market price of a commodity

The correct option is "intersection of demand and supply." This is because the intersection of demand and supply determines the market price of a commodity. When the demand for a commodity is higher than its supply, the market price increases, and when the supply is higher than the demand, the market price decreases. Factors such as an increase in demand, change in taste, or increase in supply can affect the demand and supply curves, leading to a shift in the intersection point and consequently, a change in the market price. However, the intersection point itself does not affect the market price.