8. ABC Corporation is analyzing its manufacturing overhead costs. It is trying to decide whether labour hours or units produced is a better driver of manufacturing overhead costs. The follow information is available for the past 6 months. Mon Total Manufacturing Direct Labour Units Overhead MOH Cost per DL |MOH Cost per th Hours $ Produced Hour unit $ $ 1 353,000.00 13,677 1,503 25.81 234.86 S S 2 378,000.00 13,184 1,648 28.67 S 229.37 S $ 3 365,000.00 14,805 1,575 24.65 231.75 S 348,000.00 $ $ 4 12,029 1,485 28.93 S 234.34 $ S 5 320,000.00 13,420 1,525 23.85 209.84 S $ 6 357,000.00 $ 14,241 1,515 25.07 235.64 a) Are manufacturing overhead costs fixed, mixed or variable? b) Graph MOH costs against Direct Labour hours c) Graph MOH costs against units produced d) Are there any potential outliers in the data?f) Forecast total MOH if ABC Corporation expects to have 14,500 labour hours g) Use regression analysis to find the cost equation for MOH using units produced as the cost driver. What is the r squared value? h) Forecast total MOH if ABC Corporation expects to produce 1,500 units i) What is a better driver of manufacturing overhead costs? Why