I need help with this chemistry Problem please :)

What is the normality of 1.00 L of a sodium hydroxide solution that contains 18.2 g of NaOH?

A. 2.20 N

B. 0.228 N

C. 0.455 N

D. 18.2 N

E. none of these

(18.2 g) / (39.9971 g NaOH/mol) / (1.00 L) = 0.455 N

So answer C.