Vintage Audio Inc. manufactures audio speakers. Each speaker requires $104 per unit of direct materials. The speaker manufacturing assembly cell includes the following estimated costs for the period: Speaker assembly cell, estimated costs: Labor Depreciation Supplies Power Total cell costs for the period $36,860 4,950 1,800 1,345 $44,955 The operating plan calls for 185 operating hours for the period. Each speaker requires 20 minutes of cell process time. The unit selling price for each speaker is $281. During the period, the following transactions occurred: 1. Purchased materials to produce 425 speaker units. 2. Applied conversion costs to production of 405 speaker units. 3. Completed and transferred 385 speaker units to finished goods. 4. Sold 370 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. Raw and In Process Inventory 2. Accounts Payable Raw and In Process Inventory Conversion Costs 3. Finished Goods Inventory Raw and In Process Inventory 4. Sale Accounts Receivable Sales 4. Cost Cost of Goods Sold Finished Goods Inventory 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