The income statements of Crane Corporation show the following amounts:

		2020			2019			2018
Net sales		$890			$860			$810
Cost of goods sold		500			472			417
Gross profit		390			388			393
Selling, general, and administrative expenses		180			139			102
Profit before tax		210			249			291

Using vertical (common-size) analysis, analyze Crane Corporations declining profit before tax. (Round answers to 0 decimal places, e.g. 52%.)

		2020		2019		2018
Net sales		%		%		%
Cost of goods sold		%		%		%
Gross profit		%		%		%
Selling, general, and administrative expenses		%		%		%
Profit before tax		%		%		%