*Exercise 19-7 x Your answer is incorrect. Try again. National Express reports the following costs and expenses in June 2017 for its delivery service. Indirect materials Depreciation on delivery equipment Dispatcher's salary Property taxes on office building CEO's salary Gas and oil for delivery trucks $7,000 11,700 5,470 930 12,900 3,000 Drivers' salaries Advertising Delivery equipment repairs Office supplies Office utilities Repairs on office equipment $16,400 5,400 320 690 1,010 280 Determine the total amount of (a) delivery service (product) costs and (b) period costs. Delivery service (product) costs 41000 Period costs 24100