please answer Q3 and Q4 together since they are 1 question combined and please step by step clearly with wll of the requirments on Q3

Q3. A project requires an initial investment of 2,000,000 riyals, and depreciation is carried out in a straight line method (straight line) to zero (there is no liquidation value) over a lifespan of 5 years. The project produces units sold at 200 riyals each, with variable costs of 80 riyals per unit. The fixed costs are 600,000 riyals annually. What is the quantity at the accounting break-even point, the operating cash flow at the accounting break-even point, and the DOL at that level of production? (2.5 degrees) (4) Relying on the data of the third question, calculate the quantity of production that achieves financial equivalence if the discount rate is 15%? (2.5 degrees)