Answer
The reading on the scale is $~~108~N$
Work Step by Step
When the scale is attached to a wall as in part (b), the tension in the cord is $108~N$
When the wall is replaced by a hanging salami, the tension in the cord is still $108~N$
From the scale's point of view, there is no difference when the cord is attached to a wall or another hanging salami.
The reading on the scale is $~~108~N$
