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manufacturing costing system with one categories: Target costs, effect of product-design changes on product costs. Neuro Instruments uses a direct-cost category (direct materials) and three indirect-cost a. Setup, production-order, and materials-handling costs that vary with the number of batches b. Manufacturing-operations costs that vary with machine-hours c. Costs of engineering changes that vary with the number of engineering changes made In response to competitive pressures at the end of 2016, Neuro Instruments used value-engineering tech- niques to reduce manufacturing costs. Actual information for 2016 and 2017 is as follows: 2016 2017 Setup, production-order, and materials-handling costs per batch $ 8,900 S8,000 S 64 S 48 Total manufacturing-operations cost per machine-hour Cost per engineering change $16,000 $8,000 The management of Neuro Instruments wants to evaluate whether value engineering has succeeded in reducing the target manufacturing cost per unit of one of its products, HJ6, by 5%. Actual results for 2016 and 2017 for HJ6 are: Actual Results for 2017 4,600 $ 1,300 Actual Results for 2016 Units of HJ6 produced Direct material cost per unit of HJ6 Total number of batches required to produce HJ6 Total machine-hours required to produce HJ6 Number of engineering changes made S1,400 60 20,000 24 70 30,000 red 1. Calculate the manufacturing cost per unit of HJ6 in 2016. 2. Calculate the manufacturing cost per unit of HJ6 in 2017. 3. Did Neuro Instruments achieve the target manufacturing cost per unit for HJ6 in 2017? Explain. 4. Explain how Neuro Instruments reduced the manufacturing cost per unit of HJ6 in 2017 5. What challenges might managers at Neuro Instruments encounter in achieving the target cost? How ht thou orercome these challenges