6 (5 points) Which of the following should be included in the free cash flow projections for the Persistence project? Briefly explain why or why not. a) The $1.8 million in fixed overhead expenses allocated to the project b) The rental income from the factory if the project were not taken c) The cost of $50 million for the design technology d) Advertising and promotion costs e) The annual interest cost of $600,000 on the debt used to finance this project