Please help me solve A-J! I would so appreciate it so i can solve the other 9 problems of my homework! Thank you

issues and problems that merit front-burner management attention. Like good industry analysis, solid analysis of the company's competitive situation vis- -vis its key rivals is a valuable precondition for good strategy making ASSURANCE OF LEARNING EXERCISES connect 1. Using the financial ratios provided in Table 4.1 and the financial statement infor- mation presented below for Costco Wholesale Corporation, calculate the follow- ing ratios for Costco for both 2013 and 2014: a. Gross profit margin b. Operating profit margin c. Net profit margin d. Times-interest-earned (or coverage) ratio e. Return on stockholders' equity f. Return on assets g. Debt-to-equity ratio h. Days of inventory i. Inventory turnover ratio j. Average collection period Based on these ratios, did Costco's financial performance improve, weaken, or remain about the same from 2013 to 2014? LO1