Planet Design Sardice, Inc., in comidating replacing a machine. The following data are available Replacement Machine Old Machine $600,000 8 $500,000 Original cost Useful life in years Current age in years Book value Disposal value now Disposal value in 4 years Annual cash operating costs The difference between knoping the old machine and replacing the old machine in $360,000 $160.000 50 5103.000 90 505.000 OA $800,000 in favor of replacing the old machine OB. 5600,000 in favor of keeping the old machine OC 5190,000 in favor of replacing the old machine OD $190,000 in favor of keeping the old machine