Crane, Inc., manufactures clamps used in the overhead bin latches of several leading airplane models. James Smith, president of Crane, Inc., has gathered the following cost information from the company's accounting records for the latest month of operations. $20,000 Advertising Fire insurance premium for the factory building $6,000 Sales office utilities $2,000 $1,875 Air filters for the buffing machines used to produce the clamps Aluminum used to produce the clamps $36,000 Rent on the factory building $8,000 $3,125 Freight to ship the clamps to customers Sales department executives' salaries $41,000 Production supervisors' salaries $20,000 Assembly line workers' wages $55,000 (a) Calculate the total period costs for the month. Total period costs $ (b) Calculate the total product costs for the month. Total product costs $ (c) Calculate the amount of manufacturing overhead incurred for the month. Manufacturing overhead incurred $