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#### Donna Company would like to estimate the variable and fixed components of its maintenance costs and has compiled the following data for the last five months of operations:  Labor Hours Maintenance Cost  January 190 P677  February 120 P593  March 170 P646  April 110 P623  May 100 P582  Required:  [a] Using the high-low method of analysis, how much is the estimated variable cost per labor hour for maintenance?  [b] Using the high-low method of analysis, how much is the estimated total fixed cost per month?  [c] Using high-low, compute for the expected maintenance cost for June if expected labor hours is 150 hours

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Donna Company would like to estimate the variable and fixed components of its maintenance costs and has compiled the following data for the last five months of operations:
Labor Hours Maintenance Cost
January 190 P677
February 120 P593
March 170 P646
April 110 P623
May 100 P582

Required:
[a] Using the high-low method of analysis, how much is the estimated variable cost per labor hour for maintenance?
[b] Using the high-low method of analysis, how much is the estimated total fixed cost per month?
[c] Using high-low, compute for the expected maintenance cost for June if expected labor hours is 150 hours.
[d] Using the least-squares regression method, how much is the estimated variable cost per labor hour for maintenance?
[e] Using the least-squares regression method, how much is the estimated total fixed cost per month for maintenance?
[f] Using the least-squares regression method, compute for the expected maintenance cost for June if expected labor hours is 150 hours.
[g] Using the least-squares regression equation, where is the total maintenance cost for March located with respect to the regression line?