A very successful and profitable firm is currently considering a new, large investment project that could be initiated at the start of $2021.$ The project involves the acquisition of a plant, which requires an initial outlay of $420$ million. Although it is not clear for how long the project will last, there is an expectation that over the first six years of the project its initial capital investment should be fully depreciated. The firm's accountants have prepared the following projections on expected sales and cash flows, and information on the cost of capital of the company: