The unit selling price is $2.50 the unit cost is $1.00 what action is needed to maintain the gross margin percentage when unit cost increases $0.25?

$2.50 / $1.00  =  2.5.

1,00 + 0.25 = 1.25

$1.25 x 2.5  =  $3.125

 round to $3.13

selling price need to increase to $3.13

x = 25

step-by-step explanation:

a^2+b^2=c^2

7^2+24^2=c^2

49+576=625

sqrt625=25

x=25