Selling and administrative expenses include all of the following except:. a. shipping document preparation. b. post-sale technical support. c. factory overhead. d. customer return processing.

c. factory overhead.

Explanation:

Selling and administrative expenses can be defined as the operating expenses which comprises of all the costs incurred in the smooth running of a business.

Selling and administrative expenses include all of the following shipping document preparation, post-sale technical support, and customer return processing except factory overhead.

A factory overhead can be defined as the amount of money incurred by a company or business entity in the course of its manufacturing process.

This ultimately implies that, factory overhead refers to cost incurred in the manufacturing process of finished goods and cannot be linked directly to the goods.

The factory overhead costs include costs such as indirect labor, rent, depreciation, utility bills, property taxes etc.

explanation:

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750 h and costs $0.60 per bulb.