Let U = {a, b, c, d, e, f, g, h, i}.Subsets K, L, M and N are as follows:

• K = {a, e, i}
• L = {b, d, e, f, h, i}
• M = {c, g, i}
• N = {a, c, g}

What is M N?

Group of answer choices

a.{a, i}

b.{c, g}

c.{b, d, e, f, h, i}

d.{a, c, g, i}