Spread the beans into the bottom of a 9x13 inch serving tray that is about 1 1/2 inches deep. Sprinkle 2 cups of shredded cheese on top of beans. Sprinkle beef on top of cheese. Spread sour cream very slowly on top of beef. Spread guacamole on top of sour cream. Pour salsa over guacamole and spread evenly. Sprinkle remaining shredded cheese. Sprinkle black olives, tomatoes, and green onions on top.