When using External Factor Evaluation $($EFE$)$ Matrix, what is done after multiplying each factor's weight by its rating to determine a weighted score?

a$.$ Drawing the horizontal and vertical lines for the matrix

b$.$ Summing the weighted scores for each variable to determine the total weighted score for the organization

c$.$ Identifying key external factors

d$.$ Determining the preferred strategic factors

e$.$ Summing the weighted score for each competitor