Prince Albert Company Makes Cross-Country Skis A Using the High-Low Method, Compute the Variable Rate of Calculate

Prince Albert Company makes cross-country skis.The company controller wants to calculate the fixed and variable costs associated with janitorial services incurred by the factory.Data for the past six months were collected.
Required:
$\begin{array}{lrr}& \text { Janitorial } & \text { Labour } \\\text { Month } & \text { cost } & \text { hours }\\\text { January } & \$ 9,200 & 10,120 \\\text { February } & 8,800 & 9,500 \\\text { March } & 9,350 & 10,500 \\\text { April } & 9,620 & 11,100 \\\text { May } & 8,400 & 8,660 \\\text { June } & 9,400 & 10,650\end{array}$ A. Using the high-low method, compute the variable rate of the janitorial cost.
B. Using the high-low method, compute the fixed cost of $j$ anitorial services.
C. Compute the estimated janitorial cost to be incurred during the next six months assuming that 58,200 labour hours will be worked.