The Following Are Monthly Totals Taken from the Log of a Color

question 136

Essay

The following are monthly totals taken from the log of a color photocopying machine used by the Kinlo's Printing Company.Cost was based on a flat fee plus a declining cost per copy made after a minimum number of copies had been made each month.
$$\begin{array} {l r r } & \text { Number of Copies } & \\\text { Month } & \text { Made } & \text { Total Cot } \\\text { January } & 35,200 & 110,800 \\\text { February } & 30,400 & 9,600 \\\text { March } & 32,900 & 10,225 \\\text { April } & 40,300 & 12,075 \\\text { May } & 38,400 & 11,600 \\\text { June } & 48,900 & 14,225 \\\end{array}$$
To differentiate the variable and fixed costs in the use of this machine for future planning,use the high-low method to (a)determine the variable cost per copy and (b)compute the fixed and variable costs for the months of February and June.

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