Which of the following cash flows are relevant incremental cash flows for a project that you are currently considering investing in? Pick the closest answer. O a. The tax savings brought about by the project's depreciation expense O b. Interest payments on debt used to finance the project OC. The cost of a marketing survey you conducted to determine demand for the proposed project O d. Research and Development expenditures you have made Oe. Drop in sales because your competitor launched a new product cannibalizing on your sales