2 100% 4. Oscar started a business to insulate basements and crawl spaces. He uses expanding foam. A one litre container will cover 8 m to a depth of 5 cm. A homeowner has a basement that measures 32' x 42' x 8'. The walls and ceilings are to be insulated with 5 cm of foam. [6 marks] a) How large is the area to be covered in square feet? b) Convert the square footage to square meters. C ) How many litres of foam are required