There are 80 insurance agents who have sold insurance policies to their customers. Suppose 21 of the agents sold motor policy only, 15 home policy only, and 12 life policy only while 9 did not sell any of the 3 classes of insurance. Further, 11 agents sold both motor and home policies, 8 both home and life policies while 10 sold both motor and life policies. Use Venn - Diagram to determine the number of the agents who sold i. All the 3 classes of insurance ii. Motor Policy iii. Home Policy iv. Life Policy