Please answer the questions and provide formulas and

Question 3 A firm manufactures hard disk drives and sells them for $108 each. Each drive requires raw materials costing Incorrect $19. The number of units sold and total wages bill (including full-time and casual staff) for each of the last 6 Mark 0 out of 1 months are as follows. Which of the following is the best estimate of the fixed component of this semi-fixed Flag question wages cost? Jul Aug Sep Oct Nov Dec Sales 31 37 34 38 32 33 Wages 1531 1709 1619 1740 1560 1592 O a. $600 O b. $500 X O c. $750 O d. $650Question 4 A firm manufactures hard disk drives and sells them for $108 each. Each drive requires raw materials costing Correct $19. The number of units sold and total wages bill (including full-time and casual staff) for each of the last 6 Mark 1 out of 1 months are as follows. Which of the following is the best estimate of the variable component of this semi-fixed Flag question wages cost? Jul Aug Sep Oct Nov Dec Sales 31 37 34 38 32 33 Wages 1531 1709 1619 1740 1560 1592 O a. $30 O b. $45 O c. $35 O d. $20Question 5 A firm manufactures hard disk drives and sells them for $108 each. Each drive requires raw materials costing Incorrect $19. The number of units sold and total wages bill (including full-time and casual staff) for each of the last 6 Mark 0 out of 1 months are as follows. What is the break-even point in terms of the number of units per month? P Flag question Jul Aug Sep Oct Nov Dec Sales 31 37 34 38 32 33 Wages 1531 1709 1619 1740 1560 1592 O a. 12 units O b. 6 units O c. 10 units O d. 16 units X