Inspection costs at one of Ratulowski Corporation's factories are listed below: April May June July August September October November December Units Produced 924 987 930 914 936 921 938 878 917 Inspection Costs $18, 112 $18,500 $18,165 $18,010 $18, 194 $18,080 $18, 232 $17,470 $18,038 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.) Multiple Choice $18.020.00