please explain your work, formulas and reasoning. I want to understand it

Break-even Point (Unit Sales) Use the following information to answer the questions below: Price per unit=$9.70 Direct labor per unit-$3.50 Material cost per unit-$2.00 Selling expenses per unit$1.20 Lease $2,800,000 per year Property Taxes=$580,000 per year Administrative cost=$450,000 per year Sales Revenue/ Unit Fixed 1. How many units must the firm sale to breakeven (accounting profit=0)? $ 9.70 Unit Sales Sales Revenue Variable Costs Gross Margin Fixed Costs Accounting Profit 1.2 2. How many units must the firm sale to make $1,000,000 in profit? 3. Create a data table that demonstrates how sensitive revenue, total costs and profits are to units sold