Chapter 1: Determine Purchasing Requirements Activity 1: 'True' or 'False' Quiz Let's review what you've learnt from this Chapter. Read each statement below. Tick 'True' if the statement is correct, and 'False' if not. Statement True False The operational personnel who are in charge of this entire procedure with a certain extent of individual responsibility is known as a purchasing agent. Over-processing causes stock wastage from delayed deliveries. Trends are shifts in a product's demand over time. A cost sheet is used in job costing to dispatch and maintain tasks. Purchasing refers to obtaining products and services from outside sources or suppliers.