RUO2 RUD Under The sheet metal factory is a supplier of simple sheet metal cabinets for industry. You only have one customer who buys the entire company's production. The sheet metal factory has fixed costs per year of SEK 1,200,000. The variable cost is SEK 120 per sheet metal cabinet. Today, the customer pays SEK 400 per sheet metal cabinet. In 2019, 4,600 cabinets were purchased by the customer. Before 2020, the Sheet Metal Factory expects that the fixed costs are the same as in 2019, but that the variable cost will increase by SEK 10 per sheet metal cabinet. They therefore want to increase the price to SEK 410 per sheet metal cabinet. The answer they received from the customer's buyers is that they will order significantly more sheet metal cabinets in 2020 from Pltfabriken. The increased volume means that the customer thinks that Pltfabriken should instead reduce the price to SEK 390 per sheet metal cabinet. The sheet metal factory has the capacity to make significantly more cabinets without raising fixed costs. A. Calculate critical turnover for 2020 B. Calculate safety margin for 2020 C. What volume is required for the 2019 result to be maintained even in 2020 if the variable cost increases by SEK 10 per sheet metal cabinet at the same time as the price is reduced to SEK 390 per sheet metal cabinet