Demski Company reported beginning inventory of 318 units at a unit cost of $21. It engaged in the following purchase and sale transactions during 2017: Jan. 14 Sold 69 units at unit sales price of $36 on open account April 9 Purchased 54 additional units at unit cost of $21 on open account Sept. 2 Sold 144 units at sales price of $46 on open account. At the end of 2017, a physical count showed that Demski Company had 159 units of inventory still on hand Required: (a). Record each transaction, assuming that Demski Company uses a periodic inventory system (including any necessary entries at December 31, the end of the accounting period). Demski Company uses the FIFO inventory costing method. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet 1 2 3 4 5 Record sales on account. Note: Enter debits before credits. Debit Date General Journal Credit January 14 Record entry Clear entry View general journal (b). Record each transaction, assuming that Demski Company uses a perpetual inventory system (including any necessary entries at December 31, the end of the accounting period). Demski Company uses the FIFO inventory costing method. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet 1 2 3 4 5 6 Record sales on account. Note: Enter debits before credits. Date General Journal Debit Credit January 14 Record entry Clear entry View general journal LO