which of the following is an error when accounting for transferred-in costs? Explain why you chose that answer

a)including transferred in costs from previous departments

b)costing units at average costs

c)converting units to a common measurement when transferred in

d)consider costs assigned at the beginning of the period when calculating costs to be transferred on a weighted average basis

e)consider costs assigned at the beginning of the period when calculating costs to be transferred on a FIFO basis