Menlo company distributes a single product. the company's sales and expenses for last month follow: total per unit sales $450,000 $30 variable expenses 180,00012 contribution margin 270,000 $18 fixed expenses 216,000 net operating income $54,000requirement 1: what is the monthly break-even point in units sold and in sales dollars? (omit the "$" sign in your response.) monthly break-even point units sales $ requirement 2: without resorting to computations, what is the total contribution margin at the break-even point? (omit the "$" sign in your response.) total contribution margin at the break-even point $requirement 3: how many units would have to be sold each month to earn a target profit of $90,000? use the formula method. units sold unitsrequirement 4: refer to the original data. compute the company's margin of safety in both dollar and percentage terms. (omit the "$" and "%" signs in your response.)dollars percentage margin of safety $ %requirement 5: what is the company's cm ratio? if sales increase by $50,000 per month and there is no change in fixed expenses, by how much would you expect monthly net operating income to increase? (omit the "$" and "%" signs in your response.) cm ratio % increased net operating income $ i am getting req 4 wrong many times and it is probably bc even though i got req1-3 correct, i was just within range of the acceptable answer therefore req 4 which is dependent on the previous 3 req is wrong. so could some show me how to do these req? first person to show me how to do this correctly will receive lifesaver points you.