Problem 4 Table below shows information for a machine that is planning to purchase of 10% per year interest Salvage First Cost Year Maintenance AW and operation cost 345,000 (First C cost) 1 148,000 140,000 2 148,000 140,000 3 148,000 140,000 210,000 C 210,000 C 6 210,000 C a) Draw Cash flow diagram b) Complete the fifth Column (AW). Show detailed calculation c) Specify the economical service life (ESL) and explain why Problem 4 Table below shows information for a machine that is planning to purchase of 10% per year interest Salvage First Cost Year Maintenance AW and operation cost 345,000 (First C cost) 1 148,000 140,000 2 148,000 140,000 3 148,000 140,000 210,000 C 210,000 C 6 210,000 C a) Draw Cash flow diagram b) Complete the fifth Column (AW). Show detailed calculation c) Specify the economical service life (ESL) and explain why