TB MC Qu. 6A-43 Inspection costs at one of Ratulowski... Inspection costs at one of Ratulowski Corporation's factories are listed below. April May June July August September October November December Units Produced 918 975 924 908 930 915 932 872 911 Inspection Costs $17,512 $17,900 $17,565 $17,410 $17,594 $17,480 $17,632 $16,930 $17,438 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.)