In: Accounting
the Matsui Lubricants plant uses the weighted-average method to account for its work-in-process inventories. The accounting records show the following information for a particular day:
| Beginning WIP inventory | |||
| Direct materials | $ | 992 | |
| Conversion costs | 407 | ||
| Current period costs | |||
| Direct materials | 18,540 | ||
| Conversion costs | 10,538 | ||
Quantity information is obtained from the manufacturing records and includes the following:
| Beginning inventory | 900 | units | (60% complete as to
materials, 55% complete as to conversion)  | 
| Current period units started | 4,900 | units | |
| Ending inventory | 1,100 | units | (40% complete as to
materials, 25% complete as to conversion)  | 
| 
 
 Compute the cost of goods transferred out and the ending inventory using the weighted-average method  | 
|||
| Cost of goods transferred out $28200 | |||||
| Cost of the the ending inventory $2277 | |||||
| Calculations: | |||||
| Units completed and transferred out = 900+4900-1100= 4700 | |||||
| Physical Units | %Materials | EUP-Materials | %Conversion | EUP-Conversion | |
| Units completed and transferred out | 4700 | 100% | 4700 | 100% | 4700 | 
| Ending work in process | 1100 | 40% | 440 | 25% | 275 | 
| Equivalent units of production | 5800 | 5140 | 4975 | ||
| Cost per equivalent unit of production | Materials | Conversion | |||
| Cost of beginning work in process | 992 | 407 | |||
| Costs incurred this period | 18540 | 10538 | |||
| Total costs | 19532 | 10945 | |||
| ÷ Equivalent units of production | 5140 | 4975 | |||
| Cost per equivalent unit of production | 3.80 | 2.20 | |||
| Total cost accounted for: | |||||
| Cost of units transferred out | EUP | Cost per EUP | Total cost | ||
| Direct materials | 4700 | 3.8 | 17860 | ||
| Conversion | 4700 | 2.2 | 10340 | ||
| Total cost transferred out | 28200 | ||||
| EUP | Cost per EUP | Total cost | |||
| Cost of ending work in Process | |||||
| Direct materials | 440 | 3.8 | 1672 | ||
| Conversion | 275 | 2.2 | 605 | ||
| Total Cost of ending work in Process | 2277 | ||||