The weighted average cost of capital uses capital structure weights that: are restricted to the firm's debt and common stock are based on the book values of total debt and total equity remain constant over time unless the firm issues new securities are based on the market value of the firm's debt and equity securities are computed using the book value of long-term debt and the market value of equity 5.00% What must the nominal rate be for investors to realize an increase in purchasing power of 3% during a period when inflation is 2 (do NOT use the approximation 5.88% 5.32% 5.12% 5.06%