A Location Analysis Has Been Narrowed Down to Three Locations

A location analysis has been narrowed down to three locations. The critical factors, their weights, and the ratings for each location are shown below: $$\begin{array} {c} \quad\quad\quad\quad\quad\quad\quad\quad{ \text { Location } } \\\begin{array} { l c c c c } \text { Factor } &\text { Wt. } & \text { A } & \text { B } & \text { C } \\\hline \text { Labor Cost } & .4 & 70 & 80 & 90 \\\text { Transportation Cost } & .2 & 80 & 80 & 60 \\\text { Market Access } & .2 & 90 & 70 & 60 \\\text { Raw Materials Cost } & .1 & 50 & 70 & 90 \\\text { Utility Cost } & .1 & 80 & 90 & 70\end{array}\end{array}$$ What is the composite score for location C?

A) 76
B) 75
C) 78
D) 74
E) 76.33