b) The following data relates to output and total cost of Simba Moja limited over the past 6 months period; Period 1 2 3 4 5 6 Outputs (Units'000') 12 13 11 14 13 15 Total costs (Sh'000") 900 1,100 700 1,300 1,100 1,500 REQUIRED Using the linear expression of the form Y=a+bx, compute the variable cost per unit and fixed cost using 1). High-low method (3 Marks) ii). Regression analysis (3 Marks) iii) What will be the total cost for the 7 month if output is 17,000 units? (2 Marks)