Mercedes, Co. has the following quarterly financial information.

	4th Quarter			3rd Quarter			2nd Quarter			1st Quarter
Sales revenue	$	939,800		$	949,300		$	947,600		$	955,400
Cost of goods sold		306,400			319,000			318,600			323,800
Operating expenses		249,600			261,000			259,200			263,300
Interest expense		4,550			4,550			4,550			4,450
Income tax expense		86,200			89,100			89,100			91,600
Average number of common shares outstanding		802,530			797,564			799,170			812,500
Stock price when Q4 EPS released	$	24

a.	Calculate the gross profit percentage for each quarter. (Do not round your intermediate calculations and round your final answer to 2 decimal places.)

b.	Calculate the net profit margin for each quarter. (Do not round your intermediate calculations and round your final answer to 2 decimal places.)

c.	Calculate the EPS for each quarter. (Do not round your intermediate calculations and round your final answer to 2 decimal places.)

d.	Calculate the Price/Earnings ratio at the end of the year. (Do not round your intermediate calculations and round your final answer to 2 decimal places.)