A client is considering replacing his heating system in an office building, Two systems are being considered. System A has higher initial costs but lower recurring costs. System B has lower initial costs but higher recurring costs. The client expects that this office building would be re-constructed 18 years later. The discount rate to be used is 10%. System A $500,000 System B $250,000 Initial costs Recurring costs Minor repairs Fuel 5,000 per annum 20,000 per annum 35,000 every 10 years 8,000 per annum 25,000 per annum 30,000 every 5 years Major repairs Please conduct a cost-in-use study of the above two systems covering both initial and recurring costs until 18 years after replacing and advise which of the above methods is the more economical option for the client. (Please copy and paste the following answer format in your answer box and use it to put in your answers) System A System B 1. Initial Costs = $ 1. Initial Costs = 2. Recurring costs: 2. Recurring Costs: Minor Repairs - $ Fuel costs $ Major Repairs= $ TOTAL Costs $ (5 marks) Minor Repairs = $ Fuel Costs $ Major Repars= 5 Total Costs =