Some costs related to Apple’s iPad are listed below. Classify each cost as either direct materials, direct labor, factory overhead, selling expenses, or general and administrative expenses.
________ 1. Display screen
________ 2. Assembly-line supervisor salary
________ 3. Wages for assembly workers
________ 4. Salary of the chief executive Officer
________ 5. Glue to hold iPad cases together
________ 6. Uniforms provided for each factory worker
________ 7. Wages for retail store worker
________ 8. Depreciation (straight-line) on robotic equipment used in assembly