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. received issued balance receiving report number quantity unit price materials requisition number quantity amount date quantity unit price amount may 1 200 $5 $1,000 23 140 $7 may 4 107 230 $ may 10 29 90 9 may 21 120 130 may 27 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 quantities on hand as reported in the materials ledger with predetermined order points would enable management to order materials before a(n) lack of materials causes idle time.