Cost of Materials lssuances Under the Hlo Method An incomplete subsidiary Iedger 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 materals imventory balance at the end of May. d. Comparing as reported in the maternals ledger with predetermined order points would enable management to order matenals before a(n) causes idle tame