The Ladder Company Wants to Develop a Cost Estimating Equation

question 105

Multiple Choice

The Ladder Company wants to develop a cost estimating equation for its monthly cost of electricity. It has the following data: $\begin{array}{crr}\text { Month } & \text { Cost of Electricity } & \text { Direct Labor Hours }\\\hline\text { February } & \$ 8,100 & 750 \\\text { May } & 9,000 & 850 \\\text { August } & 10,200 & 1,000 \\\text { November } & 8,700 & 800\end{array}$ Using the high-low method, which of the following is the best equation?

• A)Y = $900 + $12.00X
• B)Y = $900 + $8.40X
• C)Y = $1,800 + $8.40X
• D)Y = $2,400 + $8.40X

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Definitions:

Crown Gear

A circular gear with cogs or teeth set at right angles to its plane, often used in differential drives.

Lube Level

The specific quantity of lubrication fluid required for efficient operation and protection of machinery or vehicle components against friction and overheating.

Filler Hole

An opening or aperture through which a substance, such as oil or fuel, is added to a container, tank, or system.

Differential Carrier Housing

The casing that encloses the gears of a vehicle's differential, supporting its structure and maintaining alignment.