Cost of Materials Issuances Under the FIFO Method An incomplete subsidlary ledger of materials inventory for May is as follows: a. Complete the materials issuances and balances for the materials subsidiary ledger under FIFO Received Issued Balance Recelving Materials Requisition Quantity Unit Report Quantity Number Unit price Date Quantity Amount Amount Number May 1 210 $9 $1,890 27 150 $11 May 4 103 240May 10 May 21 100 13 b. Determine the materials inventory balance at the end of May C. Journalize the summary entry to transfer materials to work in process d. Comparing as reported in the materials ledger with predetermined order points would enable management to order materials before a(n) causes idle time