Mata Air Company sells 3 types of products, namely products A, B, and C. Product A can be sold in March 2021 for 1,200 U, product B for 800 U and product C for 2,000U. The selling price of Product A is Rp. 800, product B is Rp. 1,600 and product C is Rp. 600. The fixed costs per month are IDR 825,000, while the variable costs for Product A are IDR 400, product B IDR 1,202, and product C IDR 380.

If the company plans the number of products to be sold to increase by 25%, the selling price to increase by 10% and the fixed costs to be IDR 1,000,000 for April 2021, then you are asked to: 1) Calculate the BEP for the product and prove the BEP calculation? 2) Make a profit and loss calculation for the company's sales for April 2021 3) Calculate the MS and% MS for the data above 4) Calculate the amount of DoL and the increase in profit due to increased sales