Lean Accounting Vintage Audio Inc. manufactures audio speakers. Each speaker requires $115 per unit of direct materials. The speaker manufacturing assembly cell includes the following estimated costs for the period: Speaker assembly cell, estimated costs: Labor $68,630 Depreciation 9,210 Supplies 3,350 Power 2,510 Total coll costs for the period $83,700 The operating plan calls for 155 operating hours for the period. Each speaker requires 10 minutes of cell process time. The unit selling price for each speaker is $312. During the period, the following transactions occurred: 1. Purchased materials to produce 460 speaker units. 2. Applied conversion costs to production of 435 speaker units, 3. Completed and transferred 420 speaker units to finished goods. 4. Sold 400 speaker units. There were no inventories at the beginning of the period a. Journalize the summary transactions (1)-(4) for the period. Round the per unit cost to the nearest cent and use in subsequent computations. If an amount box does not require an entry, leave it blank, 1. a. Journalize the summary transactions (1)-(4) for the period. Round the per unit cost to the nearest cent and use in subsequent computations. If an amount box does not require an entry, leave it blank. 1. 2. 3. 4. Sale 4. Cost b. Determine the ending balance of raw and in process inventory and finished goods inventory Raw and In Process Inventory, ending balance Finished Goods Inventory, ending balance