Apply those understanding in this case: Aircraft Assemblies, Inc, manufactures clamps used in the overhead bin latches of several leading airplane models. Scott Sykes, President of Aircraft Assemblies, Inc, has gathered the following cost information from the companys accounting records for the latest month of operations:

Advertising	$20,000
Fire insurance premium for the factory building	$ 5,000
Sales office utilities	$ 2,000
Air filters for the buffing machines used to produce the clamps	$ 1,500
Aluminum used to produce the clamps	$30,000
Rent on the factory building	$ 8,000
Freight to ship the clamps to customers	$ 2,500
Sales department executives salaries	$32,000
Production supervisors salaries	$18,000
Assembly line workers wages	$48,000
The cost of life insurance policies for top corporate executives	$2,000

a. Classify each of the following costs as a product or period cost? Also indicate whether the cost is fixed or variable with respect to changes in the amount of output produced or sold.

b. Calculate the total period costs, total product costs for the month?

c. Calculate the amount of manufacturing overhead incurred for the month?