can someone please go through this slow and show the formulas

5. The variable manufacturing costs for a product are $1,50 per unit. Wholesaler margins are 50% and retailer margins are 75%, both calculated as a percentage of their respective selling prices. The manufacturer wants to make a minimum of $100,000 profit over and above fixed costs of $50,000. What will the minimum selling price have to be if the manufacturer can only produce 10,000 units