Question $1$

Reverse showrooming involves

a$.$ customers purchasing a product in$-$store where they can touch and feel it$.$

b$.$ customers purchasing a product online without ever visiting a bricks$-$and$-$mortar store.

c$.$ customers research a product at a bricks$-$and$-$mortar store before purchasing it online.

d$.$ customers researching a product online before purchasing it in$-$store.