I need the answer of all the question , other wise skip it, but you can answer first 4 parts of the requirement 4th question, note every answer should have explanation, please

2-ARC Company had a maintenance cost of $5,000 under an activity level of 2,500 units and of $2,150 under 1,000 units; the fixed potion of this mixed cost is $250* True / False 3-If a company has utilities expense of $2,000 under the activity level of 2,000 units, knowing that the utility is a mixed expense with a fixed portion of $500, the estimated utility expense for 5,000 units is $5,000* True/False 4-BM Company sold 2,200 units during the year 2020 for $176,000. The unit variable cost is $35. The total of fixed expenses during the year is 567,500. Calculate : a-The contribution margin per unit is b-The break-even sales is C-The margin of safety percentage is d-The total variable expenses in the Income Statement at break-even is e-The company is planning to increase her profit in 2021 by 20%, what is the total required sale in units to achieve the target profit? N.B If you can solve them ASAP Thanks in Advance