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Cost of Materials Issuances Under the FIFO Method An incomplete subsidiary ledger of materials inventory for May is as follows: a. Complete the materials issuances and balances for the materials subsidiary ledger under FIFO. Recelved Issued Balance Unit Unit Receiving Report Number Quantity Materials Requisition Number Quantity Amount Date Quantity Amount Price price 390 $7 $2,730 May 1 May 4 21 270 $9 100 440 May 10 May 21 27 180 11 May 27 260 113 b. Determine the materials inventory balance at the end of May