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Proration of overhead (Z. Iqbal, adapted) ( 20 minutes) Ti.Enne Stl uses a normal costing system with a single manufacturing overhead cost pool and machinc-hours as the allocation base. The following data are for 2019: Machine-hours data and the closing balances (before proration of underallocared or overallacated overhead) are as follows: Required 1 Calculate the budgeted manufactiring ofethed rate for 2019 2 Calculate the under-or oncrallow thed manifacturing oserhead of Tit fne in 2019. Profate this under-or merallocated amount using: a limmediate writenoft to Coct of Goods stold and Cost of Groods Sold c. Proration based on the allocated werhtid imouit hefore proration in the closing balances of Work in Progress, Fimithed Cirnds and Cost of Goosts Sold. 3 Which proration method do you prefer in requirencnt at t xplain