Inspection costs at one of Ratulowski Corporation's factories are listed below: Units Produced Inspection Costs April 922 $ 17,912 May 983 $ 18,300 June 928 $ 17,965 July 912 $ 17,810 August 934 $ 17,994 September 919 $ 17,880 October 936 $ 18,032 November 876 $ 17,290 December 915 $ 17,838 Management believes that inspection cost is a mixed cost that depends on units produced. Using the high-low method, the estimate of the fixed component of inspection cost per month is closest to: (Round your intermediate calculations to 2 decimal places.)

Fixed costs= $9,021.27

Explanation:

Giving the following information:

April 922 $ 17,912

May 983 $ 18,300

June 928 $ 17,965

July 912 $ 17,810

August 934 $ 17,994

September 919 $ 17,880

October 936 $ 18,032

November 876 $ 17,290

December 915 $ 17,838

To calculate the variable and fixed component, we need to use the following formulas:

Variable cost per unit= (Highest activity cost - Lowest activity cost)/ (Highest activity units - Lowest activity units)

Variable cost per unit= (18,300 - 17,290) / (983 - 876)

Variable cost per unit= $9.4392

Fixed costs= Highest activity cost - (Variable cost per unit * HAU)

Fixed costs= 18,300 - (9.4392*983)

Fixed costs= $9,021.27

Fixed costs= LAC - (Variable cost per unit* LAU)

Fixed costs= 17,290 - (9.4392*876)

Fixed costs= $9,021.27

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