Current Attempt in Progress Blue Express reports the following costs and expenses in June 2017 for its delivery service. Indirect materials $7,400 Drivers' salaries Depreciation on delivery equipment 12,000 Advertising Dispatcher's salary 6,030 Delivery equipment repairs Property taxes on office building 960 Office supplies CEO's salary 13,100 Office utilities Gas and oil for delivery trucks 2,600 Repairs on office equipment $17,000 4,900 390 750 1,020 200 Determine the total amount of (a) delivery service (product) costs and (b) period costs. (a) Delivery service (product) costs $ (b) Period costs TA