Noteworthy, Inc., produces and sells small electronic keyboards. Assume that you have the following information about Noteworthy’s costs for the most recent month.

Depreciation on factory equipment———————$800

Depreciation on CEO’s company car———————-100

Speakers used in the keyboard————————1,100

Production supervisor’s salary————————–2,200

Glue and screws used in the keyboards——————370

Wages of persons who install the speakers————2,800

Cost to run an ad on local radio stations—————-600

Utilities for the factory———————————-1,200

Personnel manager’s salary—————————-2,500

Wages of person who attaches legs to keyboards—1,950

Calculate the prime cost for Noteworthy. (Omit the “$” sign in your response.)

Prime cost:$_______