Example $17\mathrm{.}1$b

The figure below provides the T$-$s diagram of a Carnot refrigeration cycle for which the working substance is R$-134$a$.$ Determine the following.

a$.$ The Coefficient of performance.

b$.$ The heat removed from the cold space, in $k\frac{J}{k}g$

c$.$ Heat rejected to the hot space, in $k\frac{J}{k}g$

d$.$ The work supplied to the Carnot refrigeration cycle, in $k\frac{J}{k}g$