the last one is important please solve that and show me the steps

In 2019, the "Caco-Calo" company had revenue of $2,400,000, variable costs of $1,440,000 and fixed costs of $800,000. Moreover, we know that the company sold 48,000 units of its single product during this period. What is the break-even point in $ for this company? $1,600,000$800,000$40,000$2,000,000 Mark 0.0 out of 1.0 The correct answer is: $2,000,000 What is the break-even point in units sold for this company? 2,000,000 units 40,000 units 19,200 units 32,000 units Mark 0.0 out of 1.0 The correct answer is: 40,000 units Which of the answers below is closest to the margin of safety in % of this company? 16.7% Mark 0.0 out of 1.0 The correct answer is: 16.7% The company's owner aims to achieve an operating income of $250,000 through providing a sale price discount of 10%. By what percentage should the revenue increase in order to achieve this target? 9.4% 10.4% 12.5% 31.3%