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Gilford, Inc., uses a jotporder costing system. Costs going through the company's work-in- process account during June are listed belox Manufacturing overhead is applied to production using a predetermined cr.'erhead rate based on direct Work in p 574, 700 Dirt Is SL3,3D3 Onty Job 105 was still In process at the end of the month. Thisjob had been charged with 52,800 in direct materials cost. Required: a.) Complete the following for Job 105: Dirt Is Total cost at JLme 52,800 b.) Determine the total amount of materials cost charged to completed jobs during the month.