PLLM = 55000 Kg

DOM = 34930 Kg

Fuel (at landing) = 2800Kg ( 1200+1600)

TL (minus the cargo load) = 130x84 + 130x14 = 12740 Kg

So the amount of Cargo you can still carry is = 55000 - (34930+2800+12740) = 55000-50470 = 4530 Kg