1. Basically, job order is custom-ordered items from a customer. Then why is it necessary to keep up with all costs when an estimate has been given before the job is taken? 2. Can a business use both process and job order costing? 3. Which of the three methods for allocating factory overhead cost to products is better? Why? 4.Which of the three methods for allocating costs of products can lead to significant product cost distortions? Why?