The diagram illustrates the demand and supply for apples. How far is the market for apples out of equilibrium when the price is $\$2.50$ per kilo?
- ADemand exceeds supply by 200 000 tonnes.
- BDemand exceeds supply by 400 000 tonnes.
- CSupply exceeds demand by 200 000 tonnes.
- DSupply exceeds demand by 400 000 tonnes.