From table:
- segment
AB - Ground distance: 2 000 NM. headwind
component: 50 kt = 2240 NAM
- segment
BC - Ground distance: 1 000 NM. headwind
component: 30 kt = 1067 NAM
- segment
CD - Ground distance: 500 NM. tailwind
component: 70 kt = 436 NAM
- segment
DE - Ground distance: 1 000 NM. headwind
component: 20 kt = 1048 NAM
4791
NAM
(correct
answer 4800 NAM)