racy J, W., 1 GODINY HOURS Replacement Machine $510,000 5 0 $0 $66,000 Old Machine Original cost $650,000 Usetulife in years 10 Current age in years 5 Book value $400,000 Disposal value now $142,000 Disposal value in 5 years SO Annual cash operating costs $100,000 The difference between keeping the old machine and replacing the old machine is OA. 6010,000 in favor of keeping the old machine O 8. $10,000 in favor of replacing the old machine OC. $199,000 in favor of keeping the old machine OD. 5198,000 in favor of replacing the old machine