Income statement for Gaidar Company for 2014 and 2015 follow:

GAIDAR COMPANY Income Statement
	2015			2014
Sales	$	201,200		$	181,200
Cost of goods sold		142,500			120,500
Selling expenses		20,400			18,400
Administrative expenses		12,800			14,800
Interest expense		3,100			5,100
Total expenses	$	178,800		$	158,800
Income before taxes		22,400			22,400
Income taxes expense		6,000			3,100
Net income	$	16,400		$	19,300

Required

a.	Perform a horizontal analysis, showing the percentage change in each income statement component between 2014 and 2015. (Negative answers should be indicated by a minus sign. Round your answers to 1 decimal place. (i.e., .234 should be entered as 23.4).)

b.	Perform a vertical analysis, showing each income statement component as a percent of sales for each year. (Percentages may not add exactly due to rounding. Round your answers to 1 decimal place. (i.e., .234 should be entered as 23.4).)