True or false

1. Irrespective of whether FIFO method of the weighted average method is used, the total costs to be accounted for are equal for any particular period.
2. The addition of liquid materials usually increases the quantity of work in process.
3. Costing is more difficult in a process costing system than it is in a job order costing system
4. A utility such as water company would typically use a process costing system
5. When there is no beginning inventory of work in process, cost of production report must be the same under FIFO and average costing method.