单选题 TY Corp. is a manufacturing firm with a reputation for very aggressive financial management. The company has a very high ROE of 28 percent and a spectacular return on assets of 42 percent. Which of the following is the most likely explanation of these ratios? TY Corp. : A. has just started using accelerated depreciation methods. B. leases most of its fixed assets. C. does not capitalize most of its product development costs.