A company manufactures lawnmowers. Compute the total amount of period costs from the following costs. Cost item: a. Wheels, $25,000 b. Lawnmower frames, $50,000 c. Advertising costs, $10,000 d. Delivery costs, $16,000 e. Office manager's salary, $7,000 f. Assembly worker vlages, $15,000 g. Factory utilities, $7,500 h. Office accounting, $11,000 i. Factory equipment depreciation, $3,000