The following data extracted from the books of Black Forest plc at 31/12/2019. Jan 1 purchases of goods 15 units per 15 each Jan 10 purchases of goods 25 units per 10 each Jan 15 goods sold 20 units per 25 each Requirement: 1) Calculate the cost of sale for the following methods of FIFO, LIFO, AVCO, MARKS 6 2) Calculate the amount of sale (All Calculation Must Be Shown to the Nearest Euro), MARKS 2 3) Which Methods are allowed by the IAS? MARKS 2. TOTAL MARKS 10 1 B I III 0) OC ENG