Hello, could you please explain me how they got all these numbers marked with pencil in this pairwise comparsion matrix? Thank You!

A - Practicality B - Match to Team Skills C- Convenience D-Consumer Demand E - Cost Efficiency A B D E Sum Normalized A1.00 0.40 0.75 0.50 1.00 3.65.13 V B 2.00 1.00 3.00 2.00 5.00 13 .46 V C 0.75 0.50 1.00 0.30 0.90 3.45.12 V D 0.50 0.40 0.20 1.00 0.90 3 .11 V E 0,80 0.90 1.50 0.90 1.00 5.1 .18 v 28.2 (1.00