Spread a third of the salsa mixture on the bottom of prepared baking pan. Layer 6 corn tortillas, followed by half of the scrambled eggs, half of the chorizo, and half of the beans. Sprinkle with half of the cheese. Spread a third of the salsa mixture on top, followed by the remaining tortillas, scrambled eggs, chorizo, and beans. Spread the remaining third of salsa mixture. Sprinkle with the rest of the cheese. Top with sliced olives.