The Detailed Analysis of the Financial Statements of Retail Chains

The detailed analysis of the financial statements of retail chains A (Safeway) , B (CVS Caremark) , and C (Kohl's) best illustrates the idea that

A) drugstores always have a lower return on equity than grocers or department stores.
B) retail chains carry little cash and near-cash equivalents on their balance sheets compared to other types of businesses.
C) different businesses have operating characteristics that can be discerned by way of a thorough investigation of their financial and operating data.
D) grocers typically operate at low levels of overhead expense.