Alice and Bob can't agree on whether a table (with a mass of 29.5 kg) should go against the north or south wal?

Alice and Bob can't agree on whether a table (with a mass of 29.5 kg) should go against the north or south wall of their living room, and each one tries to push it toward her or his chosen wall at the same time. At one particular monent, Alice is pushing the table toward the north with a force of 150 N, while Bob is pushing it to the south with a force of 205 N, and the table is moving to the north with a constant speed of 0.340 m/s. At this moment, what is the force of friction between the table and the living room floor? [Take north to be the positive direction.]