Below are the comparative income statements of Zero Corporation for 2019 and 2018.

Zero Corporation

Income Statement

For the Year Ended December 31

	2019	2018
Sales	$550,000	$500,000
Cost of goods sold	321,000	300,000
Gross profit	229,000	$200,000
Operating expenses	57,500	50,000
Net income	$171,500	$150,000

Fill in the blanks to complete a trend analysis with 2018 set as the base year. Round your answer to the one decimal place. Do not use commas or percentage signs in your answers.

	2019 %	2018 %
Sales
Cost of goods sold
Gross profit
Operating expenses
Net income