Part 4. Costco vs Walmart Costco and Walmart are major competitors in the discount retailer operating business. Find the financial statements of those two companies for the past five years (2018-2022) and answer the questions below. (1) Item 1. Business included in the financial statements describes the company's business, such as business model, business structure, and strategy. Describe each company's business strategy or business model referring to 'Item 1. Business' from the financial statement of each company. (2) Find the following ratios and fill out the table for each year. Costco Item (Net) sales revenue Sales revenue growth Gross profit margin Net profit margin ROA Quality of Income Inventory turnover Inventory turnover (convert to days) Current ratio Debt-to-Equity ratio Walmart Item (Net) sales revenue Sales revenue growth Gross profit margin Net profit margin ROA Quality of Income Inventory turnover Inventory turnover (convert to days) Current ratio Debt-to-Equity ratio 2018 2019 2020 2021 2022 2018 2019 2020 2021 2022