A Side of a House Measures 10 Feet by 15

A side of a house measures 10 feet by 15 feet. There is one window which measures 3 feet by 4 feet. The wall is a wood frame with siding and 3 1/2 inch insulation + 1 inch polystyrene sheathing (R-16). The window is single pane plus storm window. Find the heat load for the wall (excluding the window) for a 70° F design temperature difference.