Explain the three general rules for valuing non current assets. (b) Explain the valuation of the following: (i) Land: (ii) Buildings (iii) Plant and machinery and other non current assets. 8 (c) Explain the valuation of: (i) Investments: (ii) Intangible assets such as : 1 Patents 2 copyrights and trademarks (iii) Research and development costs (c) Explain with the help of examples the valuation of inventories such as First in First Out (FIFO), Last in First Out ( LIFO ) and Weighted average cost.