Stephenson Company Is Trying to Decide Which One of Two

Stephenson Company is trying to decide which one of two contracts it will accept. The costs and revenues associated with each are listed below: The equipment was purchased last year and has no resale value. Which of these amounts is relevant for the selection of one contract over another?
$$\begin{array} { | l | r | r | } \hline & \text { Contract X } & \text { Contract Z } \\\hline \text { Contract Revenue } & \$ 200,000 & \$ 260,000 \\\hline \text { Materials } & 10,000 & 10,000 \\\hline \text { Labor } & 88,000 & 120,000 \\\hline \text { Depreciation on Equipment } & 8,000 & 10,000 \\\hline \text { Cost Incurred for Consulting Advice } & 1,500 & 1,500 \\\hline \text { Allocated Portion of Overhead } & 5,000 & 3,000 \\\hline\end{array}$$

A) Contract revenue and labor costs
B) Materials, consulting advice and allocated overhead
C) Cost of consulting advice and allocated overhead
D) Contract revenue, labor costs and depreciation on equipment