An operations manager is performing a factor-rating analysis to help her choose an outsourcing provider. She is focusing on three factors: A, B, and C, with weights of .30, .20, and .50, respectively. She has scored one potential outsourcer, Ling Services, on each of the factors using a scale of 10-50. Ling Services received a score of 30 for factor A, 46 for factor B, and 22 for factor C. What is the factor-rating score for Ling Services?