Alberta Company makes three types of products: Product A, Product B, and Product C. Each of the three products has a different contribution margin, and the proportions of the three products sold have...

Alberta Company makes three types of products: Product A, Product B, and Product C. Each of the three products has a different contribution margin, and the proportions of the three products sold have remained steady over the years. How could the company compute a break-even point given this situation? Explain the whole process step by step.