This diploma thesis is focused on the analysis of leasing liabilities under standard IAS 17 and the new standard IFRS 16 Leases at Atlas Copco Services, s. r. o. The thesis is divided into three parts. The first part deals with the theoretical basis of both standards. In the second part we will find the practical application of the lease accounting in the monitored company under the new IFRS 16 and its comparison with IAS 17. The third part summarizes both standards and recommends the selection of one of the standards.

UAB „Langma“ gamina įvairią produkciją iš medienos, taip pat atlieka montavimo darbus. Darbe aprašoma įmonė dirba pelningai ir turi pakankamai klientų darbui be prastovų užtikrinti. Nuo 2012 metų įmonė planuoja padidinti gamybos apimtis, tačiau nėra atlikta jokia analizė kuri patvirtintų ar paneigtų įmonės vadovų optimistines prognozes. Gamyba įmonėje vykdoma naudojant senus įrengimus, tačiau manoma , kad turimų gamybinių pajėgumų užteks. Darbe apskaičiuoti įmonės ilgalaikio materialaus turto panaudojimo efektyvumo rodikliai. Apskaičiuota galima investicijų į naujus gamybinius įrengimus nauda. Apskaičiuoti investicinio projekto pinigų srautai. Įvertinta galima rizika ir jos padariniai projekto grynajai dabartinei vertei. / Bachelor's thesis examined the company's investment in a new long-term tangible assets reasonableness. The paper describes the company is operating profitably and has enough clients to work without downtime. Since 2012, the company plans to increase production. Analysis is required to confirm or deny the company executives optimistic forecasts. Production company based on the use of old equipment, but company managers think they have enough production capacity. The paper calculate the company long-term tangible assets using performance indicators. Estimated to be investment in new production equipment benefit. Paper describes the investment project cash flows. It is also possible to assess the risks and consequences of the project net present value.