In a class of 60 students, 22 offered French, 22 offered English, 36 offered History; 8 offered French and English, 10 English and History, 12 French and History while 6 did not offer any of the three subjects. (a) Draw a Venn-Euler diagram to represent the data (b) Use your diagram in (a) to find the number of students who offered (i) all the three subjects (ii) History only.