At the heart of operations is an information system which contains full details of all Roger’s 500 customers, including their regular orders, special orders, where to deliver, how they pay, and so on. Every day the system calculates the likely sales of all products in two days time. Roger adds some margin of safety, allows for likely variations and passes his order to Unigate Dairy in Totnes in Devon (about 150 km away). This Unigate depot acts as a wholesaler for milkmen in Wales and the southwest of England. The following evening it delivers to a holding depot in Camborne, and then takes Roger’s goods 10 km to a cold store in Hayle. At 5.30 the following morning Roger collects the order from his cold store and starts delivering to customers. This normally takes until 1.30 in the afternoon, but on Fridays he spends more time collecting money and often finishes after 5.00 pm.