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Simplifying the ABC System: Approximately Relevant ABC Systems Patterson Company produces wafers for integrated circuits. Data for the most recent year are provided: Expected Consumption Ratios Activity Driver Wafer A Wafer B Inserting and sorting process activities: 1. Developing test programs $ 46,000 Engineering hours 0.25 0.75 2. Making probe cards 64,000 Development hours 0.15 0.85 3. Testing products 500,000 Test hours 0.60 0.40 4. Setting up batches 130,000 Number of batches 0.60 0.40 5. Engineering design 97,000 Number of change orders 0.20 0.80 6. Handling wafer lots 200,000 Number of moves 0.45 0.55 7. Inserting dies 900,000 Number of dies 0.75 0.25 Procurement process activities: 8. Purchasing materials 500,000 Number of purchase orders 0.20 0.80 9. Unloading materials 65,000 Number of receiving orders 0.30 0.70 10. Inspecting materials 81,000 Inspection hours 0.70 0.30 11. Moving materials 400,000 Distance moved 0.50 0.50 12. Paying suppliers 37,000 Number of invoices 0.30 0.70 Total activity cost $ 3,020,000 12. Paying suppliers 37,000 Number of invoices 0.30 0.70 Total activity cost $ 3,020,000 Unit-level (plantwide) cost assignmenta $2,265,000 $755,000 Activity cost assignmentb $1,570,800 $1,449,200 3 Calculated using number of dies as the single unit-level driver. b Calculated by multiplying the consumption ratio of each product by the cost of each activity. Required: 1. Using the five most expensive activities, calculate the overhead cost assigned to each product. Assume that the costs of the other activities are assigned in proportion to the cost of the ve activities. If required, round your answers to the nearest dollar. Activity Budgeted Activity Cost Testing products $:] Handling wafer lots $:] Inserting dies $:] Purchasing materials $:] Moving materials $:] Total activity cost $:] Approx. ABC Cost $:1 2. Calculate the error relative to the fully specified ABC product cost. Round your calculation to three decimal places and the percentage answer to one decimal place. Relative error Wafer A % :l Wafer B C] "A: 3. What if activities 1, 2, 5, and 8 each had a cost of $707,000 and the remaining activities had a cost of $24,000 each? Calculate the cost assigned to Wafer A by a fully specified ABC system and then by an approximately relevant ABC approach. Cost by a fully specied ABC system $:] Cost by an approximately relevant ABC approach $:]