A business reseаrcher wаnts tо determine whether trаining methоd and department affect emplоyees' weekly productivity score (0–100 points). There are four Training Methods: Online, Classroom, Blended, and One-on-One CoachingThere are three Departments: Sales, Engineering, and Customer Support5 employees were chosen from each training/department combination, so 60 subjects total. The table below shows the means for each combination, and the marginal means for each factor. Online Classroom Blended One-on-one (mean) Sales 74 80 84 88 81.5 Engineering 78 85 90 95 87.0 Customer Support 72 79 86 91 82.0 (mean) 74.7 81.3 86.7 91.3 83.5 Let A be the training method and B be the Department. We are interested in a model that includes an interaction term between them. What is the value of the SSAB piece for the Classroom-Customer Support group specifically?