P3. Pratt Corporation uses the weighted average method in its process costing system. There are two processing departments in the company. Data concerning the first processing department for the most recent month are listed below: The following information pertains to the second department for the most recent month: Instructions: For the 1st department, compute 1. COGM in total and per unit using the average method. 2. Costs of E/I using the average method. 3. COGM in total and per unit using the FIFO method. 4. Costs of E/I using the FIFO method. P3. Pratt Corporation uses the weighted average method in its process costing system. There are two processing departments in the company. Data concerning the first processing department for the most recent month are listed below: The following information pertains to the second department for the most recent month: Instructions: For the 1st department, compute 1. COGM in total and per unit using the average method. 2. Costs of E/I using the average method. 3. COGM in total and per unit using the FIFO method. 4. Costs of E/I using the FIFO method