Income statement for Gaidar Company for 2014 and 2015 follow.

GAIDAR COMPANY Income Statement 2015 2014

Sales $ 300,000 $ 250,000

Cost of goods sold 192,000 150,000

Selling expenses 30,000 24,000

Administrative expenses 15,000 20,000

Interest expense 6,000 8,000

Total expenses $ 243,000 $ 202,000

Income before taxes 57,000 48,000

Income taxes expense 14,000 12,000

Net income $ 43,000 $ 36,000

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).)