Which of the following most accurately describes the cross-over rate? A. It is the rate of NPV at which the IRR's cross over B. It is the discount rate where the NPV crosses over from negative to positive C. It is the rate where we are indifferent between two projects based on equal NPV's D. At the cross over rate, the project shifts from positive to negative NPV E. At the cross over rate, the IRR's of the two project are equal