Jeff Camm, the President of Biometrics, Inc How Is the Productivity Changing in Jeff's Firm

Essay

Jeff Camm, the president of Biometrics, Inc. has received the following data from his accountant:
$\begin{array}{|l|c|c|c|c|}\hline & \text { Year 1 } & \text { Year 2 } & \underline{\text { Year 3 }} & \text { Year 4 } \\\hline \text { Sales } & \$ 26,000 & \$ 15,000 & \$ 17,000 & \$ 20,000 \\\hline \text { Material } & \$ 8,000 & \$ 5,000 & \$ 6,000 & \$ 6,000 \\\hline \text { Labor } & \$ 10,000 & \$ 7,500 & \$ 8,000 & \$ 8,000 \\\hline \text { Overhead } & \$ 4,000 & \$ 2,000 & \$ 2,500 & \$ 4,000 \\\hline\end{array}$ How is the productivity changing in Jeff's firm?