Required: Select each item in the following list as a differential cost, an opportunity cost, or a sunk cost in the decision to move into the new warehouse. If none of the categories apply for a particular item, select "None". The first item has been completed as an example: Item Ex. Cost of electricity for the warehouse 1. Sublet revenue for the new warehouse 2. Lease payments for the new warehouse 3. Net book value of the existing warehouse 4. Sales proceeds from selling the existing warehouse 5. Warehouse maintenance costs 6. Warehouse staff wages 7. Paving costs for the parking lot of the existing warehouse 8. Parking lot revenues for the existing warehouse Differential Cost