Expiry dates are a daily list, not a monthly report. Knowing what has three days left, by shelf, is what turns waste into a discount that still makes money.
Purchase prices move more often than shelf prices, and quietly. Cost, supplier and last price paid on the same line stop a range that sells well from earning nothing.
Shrinkage is a pattern, not an accident. Counted by category rather than in one annual figure, it points at the aisle, the shift or the process that is actually causing it.