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Answer:a. Compute the predetermined overhead rate for each department. (Round answers to 2 decimal places, e.g. 10.25.)Predetermined Over head rate=Estimated Manufacturing Cost/ Estimated Hours (machine hours for K Deptt)Predetermined Over head rateDepartment D= 990,000 + 1237500/150,000 = 2227,500/ 150,00=14.85Predetermined Over head rateDepartment E= 1750,000+ 1875,000/125,000 = 3625/125,000=29Predetermined Over head rateDepartment K= 1080,000 + 675,000/120,000= 14.625=14.63b. Compute the total manufacturing costs assigned to jobs in January in each department. (Round answers to 0 decimal places, e.g. 2,500).Department D Total Manufacturing Costs assigned= 14.85 * 12,000=$ 178200Department E Total Manufacturing Costs assigned= 29* 16,500=$478,500Department K Total Manufacturing Costs assigned= 14.63 *10,410=$ 152, 298.3 =$ 152,298Total Manufacturing Costs incurred=Direct Material + Direct Labor+ Manufacturing OverheadsDepartment D= $ 210,000 + $140,000 + $148,500=$ 498,500Department E= $189,000+ $65,000 + $ 168,000=$ 422,000Department K= $117,000+ $56250 +$ 118,500=$191,750c. Compute the under- or overapplied overhead for each department at January 31. (Round answers to 0 decimal places, e.g. 2,525.)Department D= Actual - Assigned=$ 498,500 - $ 178200=$ 320,300unfavorableDepartment E= $ 422,000 - $478,500=$ 56,500 favorableDepartment K= $191,750 - $ 152,298=$ 39,452 unfavorable...