Kelowna Bear Company (KBC) the perpetual inventory and weighted average cost to value its inventory and cost of goods sold. The business recorded the following inventory transactions during the month of May. Sales Units Unit Price Purchases Units Unit Cost May 1 Beginning inventory 90 $55 4 Purchase 115 $60 7 Sale 11 Purchase 75 $70 19 Sale 110 $90 105 $90 Instructions: Use the perpetual weighted average method to answer the following questions concerning May inventory transactions. Calculate unit costs to the nearest penny ($0.01). Calculate inventory and cost of goods sold to the nearest dollar ($1). Part A: What is unit cost for the May 7 sale ($)? Part B: What is the inventory balance ($) after the May 7 sale? Part C: What is unit cost for the May 19 sale ($)? . Part D: What is the cost of goods sold for the month of May ($)? Part E: What is the ending inventory balance ($) on May 31