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. b. Determine the materials inventory balance at the end or May. 1 c. Journdize the summary entry to transter moterials to work in process. If an amount box does not recure an entry, leave it blank