The production manager wishes to invest in new technology with the goal of producing only NV200s while achieving the same total profit as Part (a). Investing in this technology can (potentially) reduce the general assembly time and/or the installation time required for each unit of NV200 and/or e-NV200. However, the available daily capacity and the profit per unit for both NC200 and e-NV200 will remain the same. The investment cost to reduce the general assembly time (and installation time) for either e-NV200 or NV200 is 1000 dollars per hour (and 1500 dollars per hour, respectively). What is the minimum investment required to achieve the above-mentioned managerial goal? (In this part, we assume the production units can be non-integer.)