Final answer:
Normal costing measures overhead costs on a predetermined basis, using actual costs for direct materials and direct labor.
Step-by-step explanation:
Among the options given, the true statement of normal costing is that it measures overhead costs on a predetermined basis and uses actual costs for direct materials and direct labor. This means that under normal costing, the company uses a predetermined rate to estimate overhead costs at the beginning of the period, but actual amounts for direct materials and direct labor costs as they occur. Understanding the distinction between these methods is crucial for proper cost accounting and budgeting within a company.