NYC auburndale/ bayside/ bay terrace milk: black market or inflation?

NYC auburndale/ bayside/ bay terrace milk: black market or inflation? 

for about three weeks, milk on sale at half a gallon for $2.45 $3.00 at most is put on the shelves with about a week from sale expiration date, when typically, the date should be a month ahead.

The only other milk available runs a gamut of $6.00 to $7.00 a carton,let alone the health threat of an expiration date so close to the time of purchase.

particular breakfast cereals run about the same price increase gamut :

alpen went from $6.99 to $8.99, same with other natural brands.