Given That the Heat of Vaporization of Diethyl Ether Is $\circ$

Given that the heat of vaporization of diethyl ether is 26.0 kJ/mol and the vapor pressure of diethyl ether is 440 torr at 20. ^$\circ$ C, calculate the normal boiling point of diethyl ether.

A) 38 ^$\circ$ C
B) 36 ^$\circ$ C
C) 34 ^$\circ$ C
D) 32 ^$\circ$ C
E) None of the above