krauskopf inc. uses the weighed averaged method in its process costing system. the following data concern the operations of the companys first processing department for march WIP march $1$ units $5,000$ materials $100\%$ conversion $20\%$ WIP march $31$ units $35,000$ materials $100\%$ conversion $25\%$ materials cost in march $1$ WIP $$102,300$ conversion cost in march $1$ WIP $$45,600$units completed and transferred out $440,000$materials cost added in march $$532,800$conversion cost added in march $$250,575$a$.$ determine the equivalent units of production for materials and conversion costs. b$.$ determine the cost per equivalent unit for materials and conversion costs. c$.$ determine the cost of ending WIP at the end of the month. d$.$ determine the cost of the units completed and transferred out e$.$ prepare a cost reconciliation