An operations managers performing a factor rating analysis to help her choose an outsourcing provider his focusing on three factors ANC with weights of $\mathrm{.}20\mathrm{.}70\mathrm{.}10$ respectively she has scored one potential source of Gallagher services on each of the factor using a scale of $10$ to $50$ Gallagher services received the score of $24$ for factory $843$ for factory $18$ for factor seat what is the factor rating score for Gallagher services