Holey Soles, a Vancouver Company, Has Achieved $3

Holey Soles, a Vancouver company, has achieved $3.5 million in sales by manufacturing candy-coloured plastic clogs. The did this by

A) identify gaps in the marketplace
B) duplicating an existing trend
C) informally observing consumers
D) formally arranging for consumers to have an opportunity to express their opinions
E) All of the answers apply.