Level 1 Functional
Decomposition (concluded)
Fuel Moment (In: fuel) Out: Function value
    Set moment = 0.0
   Set fuelWt = fuel * 6.7
   IF fuel < 60
     Set fuelDistance = fuel * 314.6
   ELSE IF fuel < 361
     Set fuelDistance = 305.8 + (-0.01233 * (fuel – 60))
   ELSE IF fuel < 521
     Set fuelDistance = 303.0 + (0.12500 * (fuel – 361))
   ELSE IF fuel < 521
     Set fuelDistance = 323.0 + (-0.04444 * (fuel – 521))
    Return fuelDistance * fuelWt