The following transactions of Heron Ltd took place during January 2022 in respect of component X used in production: Jan 01 08 12 15 18 25 27 Stock of component X on hand Issued to production Purchased from supplier Returned to supplier (purchased on 12 January 2022) Issued to production Purchased from supplier Issued to production 150 units @ R24 per unit 110 units 200 units @ R25 per unit 30 units 170 units 140 units @ R26 per unit 130 units Required: Calculate the value of closing inventory on 31 January 2022 using the: 2.1.1 First-in-first-out (FIFO) method (10 marks) 2.1.2 Weighted Average Cost Method (10 marks)