Please show work as well, not just the answer. Thank you!

An aquarium has a square base made of slate costing 8+/in and four glass sides costing 3 +/in?. The volume of the aquarium is to be 36,000 in3. Find the dimensions of the least expensive such aquarium. (A) I = 30 inches; w = 30 inches; h = 40 inches (B) I = 20 inches; w = 20 inches; h = 90 inches (C) I = 30 inches; w = 40 inches; h = 30 inches (D) not enough information (E) none of the above