Telemark-Kjemi AS manufactures an industrial solvent in two departments - mixing and cooking. This question focuses on the Cooking Department. During June 2015, 90 tonnes of solvent were completed and transferred out from the Cooking Department. Direct materials are added at one point in time during the process. Conversion costs are added uniformly during the process. Telemark-Kjemi uses the weighted-average process-costing method. The following information about the actual costs for June 2015 is available.

Required
1. Calculate the equivalent tonnes of solvent completed and transferred out and in closing work in progress for each cost element.
2. Calculate cost per equivalent unit for opening work in progress and work done in current period.
3. Summarise total costs to account for and assign these costs to units completed (and transferred out) and to units in closing work in progress using the weighted-average method.

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Transferred-in costs Direct materials Conversion costs Equivalent Equivalent Tota EquivalentTotal tonnes costs tonnes 0 90 costs tonnes 30 75 costs NOK 18 000 NOK 49 725 Work in progress, 40NOK 40 000 NOK 0 ine Work done 80 NOK 87 200 NOK 36 000 n lune Completed n lune Work in progress, 30 June