Can you please help me with number 3,4,5, 7

Question 3 (2 points) Saved DEF Corporation's most recent production budget indicates the following required production: January February March April Required production (units) 4,000 6,000 5,500 5,000 Each unit of finished product requires 3 feet of raw materials. The company maintains raw materials inventory equal to 2,000 feet plus 10% of the next month's expected production needs. What is the amount of raw material that Dustman Manufacturing should plan on purchasing for the month of February? Question 4 (2 points) ABC Corporation's luxury jacket production has the following data: Selling price per unit $240.00 Variable expense per unit$60.00 Fixed expense per month $140,400 The break-even in jackets is closest to: Question 5 (2 points) ABC Company uses the following data in its Cost-Volume-Profit analyses: Total Sales 300,000 Variable expenses 210,000 Contribution margin 90,000 Fixed expenses 120,000 Net operating income (loss) (s 30,000) How much would sales in dollars increase to get to breakeven sales? Question 7 (2 points) The evaluation that best matches the scope of control of an investment center is return on investment net operating income variance analysis contribution margin ratio