The supply of apples is limited (and with a distribution of 20:80 in terms of varieties A and B). People can test individual apples for taste before buying and

The supply of apples is limited (and with a distribution of 20:80 in terms of varieties A and B). People can test individual apples for taste before buying and compete with you for the best ones. It's going to be much harder to get 50:50 excellent apples than 20:80 excellent apples.