The following data, (all in billion $) are the sales and profit of Hudson's Bay Company (parent of The Bay and Zellers)?1

EBIT = earnings before Interest and tax
The following data (all in billion $) are the sales, cost of sales (=cost of goods sold), and operating and overhead expenses of Walmart12;

Calculate an appropriate measure of productivity for each company and compare. Which company was more productive? Explain.

2003 7.3 0.18 2004 2005 7.1 0.13 7.3 0.17 Total Sales & Revenue EBIT Net Sales Cost of Sales (COS) Operating, soling, goneral & admin costs (OSGA 2005 285 220 2004 256 199 45 2003 230 178 40 5