Calculating Weighted Average Cost of Capital and Economic Value Added (EVA)Ignacio, Inc., had after-tax operating income last year of $1,199,500. Three sources of financing were used by the company: $3 million of mortgage bonds paying 4 percent interest, $4 million of unsecured bonds paying 6 percent interest, and $9 million in common stock, which was considered to be relatively risky (with a risk premium of 9 percent). The rate on long-term treasuries is 3 percent. Ignacio, Inc., pays a marginal tax rate of 30 percent.