sinhalen kiyanae REVALUATION kiyala.. hodama example eka Land revaluation.. books wala figures waradine bann gatta price ekatama tibboth, eka nisa tami aurudu 5 ta sarayakwath revalue karanne..anith wathkam (furniture, cars etc) revalue karanne ewaye useful life time eka ivaraunama, uba wathkamak gaddi ube companye policy ekk tiyenawa adala wathkam category eke life time (5 yeas, 10, years etc) meka deprecitation rate ekenuth tiyenawa 10%, 20% 5% per year wage.. etakota anith short term (1> year) wathkm revalue karanne company eka katahari wikunanakota, wage awastawaldi waitaraii..