For fiscal year 2018, Katherine's store had net income of $6,000,000. Interest expense was $2,250,000, and the company's tax rate on income was 40 percent. Total assets were $80,000,000, and noninterest -bearing current liabilities were $6,700,000. The company's cost of capital (required rate of return) is 10 percent.

Calculate NOPAT, Invested capital, and residual income