Show your steps of how you found your calculations. Please type reponse.
Suppose the daytime processing load consists of 60% CPU activity and 40% disk activity. Your customers are complaining that the system is slow.
After doing some research, you have learned that you can upgrade your disks for $8,000 to make them 2.5 times as fast as they are currently. You have also learned that you canupgrade your CPU to make it 1.5 times as fast as the current CPU for $5,000.
a. Which upgrade option would give a faster system?
b. Which upgrade option would give the best return of investment for each percent of speed improvement?