please assist

An open-top rectangular box is being constructed to hold a volume of 400 in3. The base of the box is made from a material costing 7' centsiinl. The front of the box must be decorated, and will cost 12 centsz'inz. The remainder of the sides will cost 2 centsfinl. Find the dimensions that will minimize the cost of constructing this box. Round your answers to two decimal places as needed. Front width: C] in. Depth: C] in. Height: C] in