What is the answer to the following question?

The figura here shows an overhead view of three horizontal forces acting on a cargo canister that was initially stationary but that now moves across a frictionless floor. The force magnitudes are F, - 260 N. F, - 3.90 N, and , - 10.0 N, and the indicated and os are 8, - 52.0"and 8, - 31.0%. What is the not workdone on the canister by the three forces during the first 3.40 m of displacement? Number 10.44 Unit