Find the break even point after 18 month and 24 month

Hello, 1. I would like to find the breakeven point of a project I'm planning to do: 2. I would like to see the breakeven point in the cashflow statement Project is a swimming academy Expenses: 1. 80,000 Building pool (one time payment) 2. 30,000 Air Conditioning (one time payment) 3. 40,000 Interior design and decor (one time payment) 5. 45,000 operational costs for first 3 months 6. 45,000 3 months security 7. 60,000 equipments 8. 6,000 Monthly Salaries 9. 11,000 Monthly Rent Income Stream: 1. Swimming Classes - 6 Swimming classes every day 2. Average unit price 75 3. Each class can hold 21 member 4. Each member pay 75 every month Note: This is a swimming academy project we have high and low seasons in sales - High Season: June, July, August - When you do the sales make sure to start the year with January and end with December Sales should go as following: January (Lowest Sales) February (Low Sales) March (Normal Sales) April (Good Sales) May (Better Sales) June (highest sales) July (highest sales) August (highest sales) September (Better Sales) October (Good Sales) November (Normal Sales) December (Lowest Sales)