Claire Co. makes motorcycles. Management wants to estimate overhead costs to plan its operations. A recent trade publication revealed that overhead costs tend to vary with machine hours. To check this, they collected the following data for the past 12 months.

1)Using the high-low method to estimate the fixed and variable portion of overhead costs based on machine hours

2)If the plant is planning to operate at a level of 450 machine hours next period, what would be the estimated overhead cost?