Demski Compsny reported beginning inventory of 306 un ts at a unit cost of $15. It engsged in the fallowing purchase and sale transections during the current yesr: Jan. 14 Sald b3 wits at unit sales price of $33 on opsn accosent. aprl1 9 Purchased 48 additsonal unts at unit cost of $15 on open account. Sept. 2 Sold 138 units at unit sales price of $4t on apen akcount. At the end of the current yesr, 5 phys' cal count showed that Demski Company had 153 unitz of Inventary stil an hand. Required: (a). Record esch tranasction, essuming that Demak Compony uses a periodic inventory syatem (inciuding eny necessery entries ot December 3l, the end of the current yesr. Demski Compsny uses the FlFO inventary coating method. fff no entry is required for a transaction. ievent, select "No Journal entry required" In the first account field.) (b). Record esch transsttion, sssuming that Demski Compsny uses s perpetusl inventory system |lincluding sny necesasry entries st December 3l, the end of the current yesr.. Demski Compsny uses the FlFo inventary coating method. fIf no entry is required for a transactionievent, select "No journal entry required" In the first account field.)