DIY 1

Question 1(a)

Question 1(b)

Question 1(c)

Question 1(d)

Question 1(e)

Question 1(f)

Question 2(a)

Question 2(b)

Question 2(c)

Question 2(d)

Question 2(e)

Question 2(f)

Question 2(g)

Question 2(h)

Question 2(i)

Question 2(j)