Please help me with this question, it is using FIFO method.. thank you

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Alvis Construction Supply Company has a department that manufactures wood trusses (wood frames used in the construction industry). The following information is for the production of these trusses for the month of February: Work-in-process inventory, February 1 Direct materials: 100% complete Conversion: 30% complete Units started during February Units completed during February and transferred out Work-in-process inventory, February 29 Direct materials: 100% complete Conversion: 30% complete Costs incurred during February Direct materials Conversion 4,300 trusses $10,780 $15,558 18,300 trusses 17,300 trusses $59,340 $92,392 Required Using the FIFO method, calculate the following: 1-a. Costs per equivalent unit. (Round your answers to 4 decimal places.) 1-b. Cost of goods completed and transferred out. (Do no round your intermediate calculations. Round your final answer to the nearest whole dollar.) 1-c. Costs remaining in the Work-in-Process Inventory account. (Do no round your intermediate calculations. Round your final answer to the nearest whole dollar.) 2. Assume that you are the company's controller. The production department's February equivalent unit cost is higher than expected. If the manager of the first department asks you to do him a favor by increasing the ending inventory completion percentage from 30 to 50% to lower the unit costs, how much would unit cost be affected by this request? (Round your answer to 4 decimal places.) 1-a. Cost per EU 1-b. Cost of goods completed and transferred out 1-c. Costs remaining in the WIP Inventory account 2. The weighted-average cost per equivalent unit Direct Materials Conversion by