Activity Capacity Management Uchdorf Manufacturing just completed a study of its purchasing activity with the objective of improving its efficiency. The driver for the activity is number of purchase orders. The following data pertain to the activity for the most recent year: Activity supply: six purchasing agents capable of processing 1,600 orders per year (9,600 orders) Purchasing agent cost (salary): $48,600 per year Actual usage: 9,000 orders per year Value-added quantity: 5,800 orders per year Required: 1. Calculate the volume variance. Round your intermediate calculation to two decimal places and the final answer to the nearest dollar. $ 2. Calculate the unused capacity variance. Round your intermediate calculation to two decimal places and the final answer to the nearest dollar. $ 3. What if the actual usage drops to 7,000 orders? What effect will this have on capacity management? Round your intermediate calculation to two decimal places and the final answer to the nearest dollar.