Ex. 167 Kwik Delivery Service reports the following costs and expenses in June 2016. Indirect materials Driver's salaries Advertising Delivery equipment 8,400 $17,000 5,100 Depreciation on delivery equipment Dispatcher's salary Property taxes on office 11,200 5,000 300 650 2,490 180 repairs 870 12,000 Gas and oil for delivery trucks3,200 Office supplies Office utilities Repairs on office building CEO's salary equipment Instructions Determine the total amount of (a) delivery service (product) costs and (b) period costs