Required1. Using the format on page 653 compute the normal and abnormal spoilage in units for November assuming the inspection point is at (a) the 30% stage of completion (b) the 60% stage of completion and (c) the 100% stage of completion.2. Refer to your answer in requirement 1. Why are there different amounts of normal and abnormal spoilage at different inspection points?3. Now assume that the forging department inspects at the 60% stage of completion. Using the weighted average method calculate the cost of units transferred out the cost of abnormal spoilage and the cost of ending inventory for the forging department inNovember.