Redmoon Traders provided the following inventory information for the month of March 2018. Units Cost (RO) Amount (RO) March -1 Beginning inventory 400 4,000 March 8-Purchases 250 5,000 March 18- Purchases 350 8,750 March 20 - Purchases 200 30 6,000 The business sold March 18 purchases on 26th March at a cost of RO 40 each by using Specific identification method. Calculate the Closing inventory of the above business. a. RO 6,000 o b. RO 8,750 O.C. RO 15,000 d. RO 5,000