What Is the Boiling-Point Change for a Solution Containing 0

What is the boiling-point change for a solution containing 0.360 mol of naphthalene (a nonvolatile, nonionizing compound) in 258.0 g of liquid benzene? (K_b = 2.53°C/m for benzene)

A) 1.81°C
B) 8.60°C
C) 0.552°C
D) 0.235°C
E) 3.53°C