Correct!

Please review the explanation below:

Answer: 2

You must recognize that the perimeter of the rectangle must be found and multiplied by the cost per foot of the trim used. The cell locations become the variables in the formula.

(perimeter of rectangular window) times (price per foot of wood trim)
(2 x length + 2 x width) x price per foot
(2 x A7 + 2 x B7) x C7