Telemark-Kjemi AS manufactures an industrial solvent in two departments – mixing and cooking. This question focuses on the Cooking Department. During June 2018, 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 2018 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 Total Equivalent Total Equivalent Total tonnes costs tonnes costs tonnes costs Work in progress, 1 June Work done in June 40 NOK 40 000 NOK 0 30 NOK 18 000 80 NOK 87 200 90 NOK 36 000 75 NOK 49 725 Completed in June Work in progress, 30 June nin.