Recently, it was announced that two giant French retailers, Carrefour SA and Promodes SA, would merge. A headline in the Wall Street Journal blared, "French Retailers Create New Walmart Rival." While Walmart's total sales would still exceed those of the combined company, Walmart's international sales are far less than those of the combined company. This is a serious concern for Walmart, since its primary opportunity for future growth lies outside of the United States. Below are basic financial data for the combined corporation (in euros) and Walmart (in U.S. dollars). Even though their results are presented in different currencies, by employing ratios we can make some basic comparisons. Compare the two companies by answering the following. (a1) Calculate the gross profit rate for each of the companies. (Round answers to 1 decimal places, e.g. 15.2\%.)