Given the Following Data for the Reaction A $\to$ B,determine the Activation Energy,E_a,of the Reaction

Given the following data for the reaction A $\to$ B,determine the activation energy,E_a,of the reaction.

A) 2.34 kJ/mol
B) 19.4 kJ/mol
C) 38.2 kJ/mol
D) 2.02 kJ/mol
E) 18.6 kJ/mol