can someone please explain step by step ? thanks

Nanyang Ltd produces a single product. The selling price is 50 per unit and the variable costs are 30 per unit. The annual fixed costs of the business are 4,500. The business aims to make 10,000 profit duning the forthcoming year. How many units must be sold to achieve this target? A 450 units B225units C. 725units 0 150units