1. The condensed comparative income statements for Rochelle Corporation follows:

ROCHELLE CORPORATION

Comparative Income Statements

For the Years Ended December 31, 2005 & 2004

2005 2004

Net Sales $1,600,000 $1,485,200

Costs and Expenses

Cost of goods sold $ 908,200 $ 792,400

Selling expenses 206,200 209,200

Administrative expenses 280,600 231,000

Total costs and expenses $1,449,000 $1,232,600

Income from operations $ 151,800 $ 252,600

Interest expense 50,000 40,000

Income before income taxes $ 101,800 $ 212,600

Income taxes 28,000 70,000

Net income $ 73,000 $ 142,600

Earnings per share $ 1.23 $ 2.38

Required: Calculate the percentage of increase and/or decrease for each category.