You've Been Asked to Analyze a Reaction That Took Place

You've been asked to analyze a reaction that took place at 300°K. AH was - 150 and AS was +0.4. Is the reaction endothermic or exothermic?

A) exothermic
B) endothermic
C) You cannot tell unless you know the potential energy of the reactants and products.
D) You cannot tell unless you know the amount of disorder in the reactants and products.