Prepare a horizontal analysis of the following comparative income statement for Westwind ...

Prepare a horizontal analysis of the following comparative income statement for Westwind Corporation. Round percentage changes to the nearest one-tenth percent.
   Westwind Corporation
   Comparative Income Statement
   For the Years Ended December 31, 2014 and 2013
   2014   2013
Total revenue   $1,400,000   $1,250,000
Expenses:
Cost of goods sold   $925,000   $830,000
Operating expenses   313,000   280,000
Interest expense   14,000   12,000
Income tax expense   48,300   38,000
Total expenses   $1,300,300   $1,160,000
Net income   $99,700   $90,000