Jackson Corporation Jackson Corporation is a manufacturer of a versatile statistical calculator. The following information is a summary of defective and returned units for the previous year. Total defective units 1,000 Number of units reworked 750 Number of customer units returned 150 Profit for a good unit $40 Profit for a defective unit $25 Cost to rework a defective unit $10 Cost of a returned unit $15 Total prevention cost $10,000 Total appraisal cost $5,000 Refer to Jackson Corporation. The cost of processing customer returns is Select one: a. $2,500 O b. $22,500 O C. $9,000 O d. $2,250