Current Attempt in Progress Teal Mountain Express reports the following costs and expenses in June $2022$ for its delivery service Indirect materials used $$6,290$ Driverssalaries $ $15,680$ Depreciation on delivery equipment $10,940$ Advertising $4,580$ Dispatcher's salary$4,900$ Delivery equipment repairs $294$ Property taxes on office building CEO's salary $880$ Office supplies $11,760$ Office utilities $637980$ Gas and oil for delivery trucks$2,120$Repairs on office equipment $186$ Determine the total amount of $($a$)$ delivery service $($product$)$ costs and $($b$)$ period costs. Delivery service $($product$)$ costs $ Period costs