Here are the comparative income statements of Winfrey Corporation.

WINFREY CORPORATION
Comparative Income Statements
For the Years Ended December 31

2010

2009

Net sales

$598,000

$520,000

Cost of goods sold

477,000

450,000

Gross profit

$121,000

$ 70,000

Operating expenses

80,000

45,000

Net income

$ 41,000

$ 25,000

Instructions

(a) Prepare a horizontal analysis of the income statement data for Winfrey Corporation using 2009 as a base. (Show the amounts of increase or decrease.)

(b) Prepare a vertical analysis of the income statement data for Winfrey Corporation for both years.