it is a business studies question...asking about financial performance.from june 2008
heres the profit and loss ACC
                               $$$$
saLes revenue            100000
Cost of sales              10,000
Gross Profit                90,000
Expenses                   80,000
Net Profit                  10,000
so i can calulate net profit margin and gross profit margin and total profit.but can i calculate breakeven?? 
By the way no output given