please help, it's urgent

REQUIRED Use the information provided below to answer each of the following questions independently: 2.1 Calculate the break-even quantity. 2.2 Calculate the sales value required to achieve a net profit of R150 000, using the marginal (2 Marks) income ratio. (4 Marks) (4 Marks) 2.3 Determine the selling price per unit if a net profit of R624 600 is desired. INFORMATION The following information was extracted from the budget of Mary's Manufacturers for the period July to December 2021: 1. 2 300 units 2. R200 Total production and sales Selling price per unit Variable manufacturing costs per unit: Direct materials 3. R60 Direct labour R40 Overheads R20 4. R200 000 5. Fixed manufacturing overheads Other costs: Fixed marketing and administrative costs Sales commission R100 000 10% of sales