The W.C. Pruett Corp. has $300,000 of interest-bearing debt outstanding, and it pays an annual interest rate of 11%. In addition, it has $600,000 of common stock on its balance sheet. It finances with only debt and common equity, so it has no preferred stock. Its annual sales are $0.81 million, its average tax rate is 30%, and its profit margin is 6%. What are its TIE ratio and its return on invested capital (ROIC)?