Can someone help me with this marketing metrics problem?
Webber Technologies is an emerging manufacturer of 3.5 inch diagonal touch screens for mobile communication devices/media players. 2011 industry sales were reported at 17.42 million units. This number represents an 18.5% increase over 2010 industry sales. Webber Technologies had a 2010 market share of 5.9 %, compared with a 2011 market share of 4.2 %. What was change in unit sales for Webber Technologies, from 2010 to 2011, attributable to its change in market share? Report your answer in individual units.