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Capital Expenses (CAPEX): represents the upfront costs incurred to acquire, install, and set up the necessary hardware, software and underlying infrastructure components. These are usually one-time investments that contribute to the establishment of the network infrastructure. Examples in SDN/NFV include the purchase of physical networking equipment; acqusition of server hardware for hosting virtual network functions (VNFs) in NFV and investing in the initial implementation of SDN controllers and switches.

Operating Expenses (OPEX): encompasses the ongoing, recurring costs associated with the day-to-day operation, management and maintenance of the network. These costs are incurred regularly and contribute to keeping the network operational.Examples of opex costs include staff wages, energy costs, licences and outlays related to updates, patches and overall upkeep

CAPEX é investimento de capital

OPEX é gasto operacional

Ambos serão gastos tido pela empresa. Qual projeto gerará menor gasto? Traz tudo a valor presente e compara.

Fazendo as contas:

A = 3000 + 1500 / 1,1 + 1500 / (1,1)^2 + 1500 / (1,1)^3 = 6.730

B = 4100+(900/1,1)+(900/1,21)+(900/1,331) = 6.338

C = 6000+(200/1,1)+(200/1,21)+(200/1,331) = 6.497

D = 8000 + 300 / 1,1 + 300 / (1,1)^2 + 300 / (1,1)^3 = 8.746

E = 5.500 + 400 / 1,1 + 400 / (1,1)^2 + 400 / (1,1)^3 = 6.494

A que gerou o menor dispêndio financeiro foi a B, portanto, sendo o melhor para fazer o investimento.

Resposta: LETRA B.

B

A analise do VPL de custos determina a melhor opcao pelo menor gasto total trazido ao valor presente. Calculando CAPEX + (OPEX / fator de desconto), o Equipamento 2 (Gas Natural) resulta em aprox. 6.338, sendo inferior aos valores de Diesel (6.730), Solar (6.497) e Eletrica (6.494).

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