- **D_current (C):** 2 - **W_edge (C → B):** 5 - …
- **D_current (C):** 2
- **W_edge (C → B):** 5
- **New Tentative Distance to B:** 2 + 5 = 7
- **Previous Tentative Distance to B:** 4
- **Update:** Since 7 > 4, do not update tentative distance to B.