Ben & Jerry's Marketing Dashboard (Dollar Market Share)

Ben & Jerry's Marketing Dashboard (Dollar Market Share)
-marketing manager for Ben and Jerry's has been provided with a marketing dashboard display shown above.He notices that dollar market share for 2011 was 18.4% and for 2012 it was 20.0%.What simple formula was used to calculate the dollar market share percentages for each of these two years?

A) Dollar market share (%) = Ben and Jerry's sales ($) divided by total industry sales ($) .
B) Dollar market share (%) = Total industry sales ($) divided by Ben and Jerry's sales ($) .
C) Dollar market share (%) = Total industry sales ($) divided by Ben and Jerry's unit sales (#) .
D) Dollar market share (%) = Total industry sales ($) divided by Ben and Jerry's net profit ($) .
E) Dollar market share (%) = Ben and Jerry's sales ($) divided by gross domestic product ($) .