During dispatch calculations, you want to calculate the maximum possible Traffic Load and carry as

a minimum 13 800 kg of Block Fuel.

Determine the Allowed Traffic Load for your flight, given:

Allowed Take-off Mass: 71 240 kg

Maximum Zero Fuel Mass: 56 380 kg

Dry Operating Mass: 40 561 kg

Actual Traffic Load: 14 367 kg

Taxi Fuel: 274 kg

Assume NO restrictions on the Landing Mass.