Exercise 1-7 (also in your book at end of chapter) National Express reports the following costs and expenses in June 2022 for its delivery service. Indirect Materials 6,400 CEO's salary 12,000 Depreciation on delivery equipment 11,200 Drivers' salaries 16,000 Repairs on office equipment 180 Advertising 4,600 Property taxes on office building 870 Office supplies 650 Gas and oil for delivery trucks 2,200 Office utilities 990 Delivery equipment repairs 300 Dispatcher's salary 5,000 Instructions: Classify each item above as either a Product or a period Cost. Write the description and amount into the appropriate one of the two table below. Total each table. (The first item "Indirect Materials" is completed as an example) Working Papers for Exercise 1-7 Period Costs Delivery Service (Product) Costs Indirect Materials 6,400 Total Total