The cashier waved the can of golden hominy across the holographic bar code reader and it emitted a piercing beep. at the same time the customer's bill was rising, the grocery store's inventory was automatically being reduced by 1 can of golden hominy down to 3 cans. this was the bare minimum amount of hominy the store manager dared carry in inventory, so the computer system automatically sent a message to the hominy man, who loaded a few cases onto his delivery truck for tomorrow morning's trip to replenish the store. this is a classic example of