The Table Below Displays Hypothetical Demand and Supply Schedules for the Market

The table below displays hypothetical demand and supply schedules for the market for overnight parcel deliveries in Canada. $$\begin{array} { | c | c | c | c | c | c | } \hline & \begin{array} { c } \text { Quantity } \\\text { Demanded } \\\text { (millions) }\end{array} && & \begin{array} { c } \text { Quantity } \\\text { Supplied } \\\text { (millions) }\end{array} & \\\hline \text { Price (\$) } & \text { Year 1 } & \text { Year 2 } & & \text { Year 1 } & \text { Year 2 } \\\hline & & & & & \\\hline 30 & 80 & 95 & & 140 & 125 \\\hline 26 & 90 & 105 & & 135 & 120 \\\hline 22 & 100 & 115 & & 130 & 115 \\\hline 18 & 110 & 125 & & 125 & 110 \\\hline 14 & 120 & 135 & & 120 & 105 \\\hline 10 & 130 & 145 & & 115 & 100 \\\hline\end{array}$$ TABLE 3- 3
-At the market- clearing price for a commodity

A) prices will remain unchanged,even if there is excess demand.
B) there will never again be any pressure for prices to change,independent of what happens to demand or supply.
C) shifts in the supply or demand curves will not cause price changes.
D) the quantity supplied of the commodity equals quantity demanded.
E) there may be excess demand for a product but not excess supply.