Data regarding inspection costs are provided below: Units produced Inspection cost February 913 $ 17,012 March 965 $ 17,400 April 919 $ 17,065 May 903 $ 16,910 June 925 $ 17,094 July 910 $ 16,980 August 927 $ 17,132 September 867 $ 16,480 October 906 $ 16,938 Inspection cost is a mixed cost that depends on units produced. Using the high-low method, the estimate the monthly fixed component of inspection cost. (Round the intermediate calculations to two decimal places.)

a. $8,338.65 b. $16,920.00 c. $16,911.00 d. $16,481.00