Cascaded Carnot engines

Question

Consider the following statements

            1. Amount of work from cascaded Carnot engines corresponding to fixed temperature difference falls as one goes to lower absolute level of temperature

            2. On the enthalpy – entropy diagram constant pressure lines diverge as the entropy increases

            Which of the statements given above is/are correct?

(a) 1 only                     (b) 2 only                     (c) Both 1 and 2          (d) Neither 1 nor 2