Sejahtera Inn uses a periodic inventory system. The beginning inventory of a particular product, and the purchases during the current year, were as follows: Tarikh/ Date Perkara/ Particular Unit/ Units Kos Setiap Satu/ Cost Per Each 01/07 Baki Awal/ Beginning 50 10 Balance 05/07 Pembelian/ Purchases 30 12 09/07 Pembelian/ Purchases 60 9 13/07 Jualan/ Sales 70 18 23/07 Pembelian/ Purchases 40 8. 26/07 Pembelian/ Purchases 20 16 30/07 Jualan/ Sales 90 19 Kira kos barang yang dijual menggunakan kaedah berikut: FIFO. Calculate the cost of goods sold using the following methods: FIFO. (10 markah/ mark.