Which of the following statements is correct?

A. Tax allowable depreciation is a relevant cash flow when evaluating borrowing to buy compared to leasing as a financing choice 
B. Asset replacement decisions require relevant cash flows to be discounted by the after-tax cost of debt
C. If capital is rationed, divisible investment projects can be ranked by the profitability index when determining the optimum investment schedule
D. Government restrictions on bank lending are associated with soft capital rationing