In response to competitive pressures at the end of 2019. Diagnostic Instruments used value-engineering techniques to reduce manufacturing costs. Actual information for 2019 and 2020 is as follows: succeeded in reducing the target manufacturing cost per unit of one of its products. HJ6. by 20% Actual results for 2019 and 2020 for HJ6 are as follows: 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 Requirements 1. Calculate the manufacturing cost per unit of HJ6 in 2019. 2. Calculate the manufacturing cost per unit of HJ6 in 2020. 3. Did Diagnostic Instruments achieve the target manufacturing cost per unit for HJ6 in 2020? Explain. 4. Explain how Diagnostic Instruments reduced the manufacturing cost per unit of HJ6 in 2020 . 5. What challenges might managers at Diagnostic Instruments encounter in achieving the target cost? How might they overcome these challenges? Diagnostic Instruments uses a manufacturing costing system with one direct-cost category (direct materials) and three indirect-cost categories: (Click the icon to view the categories) (Click the icon to view additional information) Read the requirements. Requirements 1 and 2. Calculate the manufacturing cost per unit of HJ6 in 2019, then in 2020 . Round your answers to the nearest whole dollar.)