Madame Vastra Company has sales of $9,000,000. It has invested assets of $7 500,000, cost of goods sold are $3.700,000 and operating expenses are $2,000,000. Their minimum rate of return of 12%. Instructions. Compute and round to two (2) places: Madame Vastra's profit margin? Madame Vastra's investment turnover? Madame Vastra's rate of return on investment? Madame Vastra's residual income