Let
G--------> the gross margin percentage
P-------> unit selling price
C------> the unit cost
we know that
The gross margin percentage is equal to

in this problem
P=$

C=$

so

%
If the unit cost increases $

the new unit cost is equal to

Find the new value of the unit selling price for
C=$

G=
%

therefore
the answer is
Increases the unit selling price to $
