Incorporating segmentation into email marketing efforts are shown to have all of the following benefits EXCEPT $-$

a$.$

Segmented campaigns typically have higher click$-$through rates than campaigns that don$$t use segmentation.

b$.$

Segmented campaigns have higher open rates than campaigns that don$$t use segmentation.

c$.$

Segmented campaigns typically have higher bounce rates than campaigns that don$$t use segmentation.

d$.$

Segmented campaigns typically have lower unsubscribe rates than campaigns that don$$t use segmentation.