Calculate various fuel quantities for Flight 143. The plane already had 7682 L of fuel on board prior to the flight, and the tanks were to be filled so that a total of 22,300 kg were present at takeoff.

(a) Using the incorrect conversion factor of 1.77 kg/L, calculate in units of kg the amount of fuel that was added to the plane.

(b) Using the correct factor of 1.77 lb/L, calculate in units of kg the amount of fuel that should have been added.

(c) By what percentage would the plane have been underfueled for its journey? Be sure to distinguish between weight and mass quantities in your calculations.