National Express reports the following costs and expenses in June 2020 for its delivery service.

Indirect materials		$ 6,700		Drivers salaries		$ 16,200
Depreciation on delivery equipment		11,800		Advertising		4,800
Dispatchers salary		5,650		Delivery equipment repairs		370
Property taxes on office building		890		Office supplies		690
CEOs salary		13,000		Office utilities		1,070
Gas and oil for delivery trucks		2,700		Repairs on office equipment		250

Determine the total amount of (a) delivery service (product) costs and (b) period costs.

Delivery service (product) costs		$
Period costs		$