Can't figure out 14-18 please help I tried the other article but I believe he did it wrong thanks in advance.

The comparative financial statements of Marshall Inc. are as follows. The market price of Marshall common stock was $ 61 on December 31, 20Y2.

Marshall Inc.
Comparative Retained Earnings Statement
For the Years Ended December 31, 20Y2 and 20Y1
			20Y2		20Y1
Retained earnings, January 1			$2,219,175		$1,870,425
Net income			476,000		383,100
Total			$2,695,175		$2,253,525
Dividends:
	On preferred stock		$6,300		$6,300
	On common stock		28,050		28,050
		Total dividends	$34,350		$34,350
Retained earnings, December 31			$2,660,825		$2,219,175

Marshall Inc.
Comparative Income Statement
For the Years Ended December 31, 20Y2 and 20Y1
	20Y2		20Y1
Sales	$2,669,610		$2,459,620
Cost of goods sold	1,086,240		999,340
Gross profit	$1,583,370		$1,460,280
Selling expenses	$487,250		$605,050
Administrative expenses	415,070		355,340
Total operating expenses	$902,320		$960,390
Income from operations	$681,050		$499,890
Other revenue	35,850		31,910
	$716,900		$531,800
Other expense (interest)	176,000		96,800
Income before income tax	$540,900		$435,000
Income tax expense	64,900		51,900
Net income	$476,000		$383,100

Marshall Inc.
Comparative Balance Sheet
December 31, 20Y2 and 20Y1
			20Y2		20Y1
Assets
Current assets
	Cash		$538,770		$427,690
	Marketable securities		815,440		708,730
	Accounts receivable (net)		518,300		489,100
	Inventories		394,200		306,600
	Prepaid expenses		101,934		85,540
		Total current assets	$2,368,644		$2,017,660
Long-term investments			1,508,841		527,451
Property, plant, and equipment (net)			2,640,000		2,376,000
Total assets			$6,517,485		$4,921,111
Liabilities
Current liabilities			$696,660		$531,936
Long-term liabilities:
	Mortgage note payable, 8%		$990,000		$0
	Bonds payable, 8%		1,210,000		1,210,000
		Total long-term liabilities	$2,200,000		$1,210,000
Total liabilities			$2,896,660		$1,741,936
Stockholders' Equity
Preferred $0.70 stock, $50 par			$450,000		$450,000
Common stock, $10 par			510,000		510,000
Retained earnings			2,660,825		2,219,175
Total stockholders' equity			$3,620,825		$3,179,175
Total liabilities and stockholders' equity			$6,517,485		$4,921,111

Required:

Determine the following measures for 20Y2, rounding to one decimal place, except for dollar amounts, which should be rounded to the nearest cent. Use the rounded answer of the requirement for subsequent requirement, if required. Assume 365 days a year.

14. Return on common stockholders equity	fill in the blank 14	%
15. Earnings per share on common stock	$fill in the blank 15
16. Price-earnings ratio	fill in the blank 16
17. Dividends per share of common stock	$fill in the blank 17
18. Dividend yield	fill in the blank 18