During August, the receipts and distributions of Material No. B4G9 are as follows:ReceivedAug.31,100 units at $15161,700 units at $1729900 units at $18IssuedAug.11700 units for Job No. 116181,900 units for Job No. 11730800 units for Job No. 118 (a) Determine the cost of each of the three issues under a perpetual system, using the first-in, first-out method.(b)Present the journal entry to record the issuance of the materials forthe month, assuming that the cost of issuances is determined by thefirst-in, first-out method. Refer to the Chart of Accounts for exactwording of account titles.