A Company Is About to Select a Vendor for the Outsourcing

A company is about to select a vendor for the outsourcing of all of its engineering, environmental, and CAD requirements. It has identified four criteria critical to the selection. These criteria, and their importance weights, appear below. The score for each site is listed below. Which vendor has the highest composite score?
$$\begin{array} { | l | r | r | r | r | } \hline & \text { Weight } & \text { Vendor 1 } & \text { Vendor 2 } & \text { Vendor 3 } \\\hline \text { Factor 1 } & 0.3 & 7 & 5 & 8 \\\hline \text { Factor 2 } & 0.4 & 4 & 2 & 8 \\\hline \text { Factor 3 } & 0.2 & 5 & 8 & 5 \\\hline \text { Factor 4 } & 0.1 & 8 & 7 & 1 \\\hline\end{array}$$