Below are several financial statement items for fiscal year 2016 for two grocery chains, Whole Foods Market and The Kroger Company. The Kroger Co Net income Sales Average assets Average stockholders' equity Whole Foods Markel $ 507 15,724 6,041 3.497 $ 1,957 115,337 35,201 6.754 a. Disaggregate the ROA for each company. Explain anhdifferences in ROA between the two companies. b. Disaggregate the ROE for each company. Explain any differences in ROE between the two companies