Profitability Ratios.Refer to the condensed income statement forCarMax, Inc.,in Exercise 20 and to the company's balance sheet shown as follows.

ASSETS
CURRENT ASSETS:	2019	2018
Cash and cash equivalents	$ 58,211	$ 46,938
Restricted cash from collections on auto loans receivable	481,043	440,669
Accounts receivable, net	191,090	139,850
Inventory	2,846,416	2,519,455
Other current assets	86,927	67,101
TOTAL CURRENT ASSETS	3,663,687	3,214,013
Auto loans receivable, net	13,551,711	12,428,487
Property and equipment, net	3,069,102	2,828,058
Deferred income taxes	89,842	61,346
Operating lease assets	449,094	-
Other assets	258,746	185,963
TOTAL ASSETS	$ 21,082,182	$ 18,717,867
CURRENT LIABILITIES:
Accounts payable	$ 737,144	$ 593,171
Accrued expenses and other current liabilities	331,738	318,204
Accrued income taxes	1,389	3,784
Current portion of operating lease liabilities	30,980	-
Short-term debt	40	1,129
Current portion of long-term debt	9,251	10,177
Current portion of non-recourse notes payable	424,165	385,044
TOTAL CURRENT LIABILITIES	1,534,707	1,311,509
Long-term debt, excluding current portion	1,778,672	1,649,244
Non-recourse notes payable, excluding current portion	13,165,384	12,127,290
Operating lease liabilities, excluding current portion	440,671	-
Other liabilities	393,873	272,796
TOTAL LIABILITIES	17,313,307	15,360,839
Common Stock	81,541	83,739
Capital in excess of par value	1,348,988	1,237,153
Accumulated other comprehensive loss	(150,071)	(68,010)
Retained earnings	2,488,417	2,104,146
TOTAL SHAREHOLDERS' EQUITY	3,768,875	3,357,028
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 21,082,182	$ 18,717,867

Required:

Compute the following profitability ratios for 2019, and provide a brief explanation after each ratio (round percentage computations to one decimal place and earnings per share to two decimal places):

1. Gross margin ratio
2. Profit margin ratio
3. Return on assets
4. Return on common shareholders' equity
5. Earnings per share (assume weighted average shares outstanding totaled 223,449,000 shares)