(a) You are a purchasing manager of an engineering company and are currently considering to purchase a new plant for the company's daily site operation. You have received quotations and information (shown below) from three different companies. All plants provided below are compatible to be used for 10 years and the required return rate is 3%. t - Table 1-1: Costs and revenues associated with the three plants Software A Software B Software C- (HK$) (HKS) (HK$) Purchase Cost 50,000 100,000 220,000 Operating Cost (per year) 8,000 15.000 25,000 Reduction in Labour Cost Labout 25.000 45.000 70,000 (Annual) Cost to Upgrade (Every 3 5.000 4,000 2.000 years) Salvage value 20.000 40.000 80,000 (0) Based on the information provided, calculate the Net Present Value (NPV) of each option, and based on that determine which plant would be selected by the company (17 marks)