High$-$quality data can increase sales by facilitating cross$-$selling, which involves $\_\_\_\_\_.$

Question $14$ options:

a$)$

encouraging customers to buy a comparable but higher$-$end product

b$)$

ensuring customers pay a fair, correct price for each product they purchase

c$)$

delivering a generalized shopping experience to customers

d$)$

inviting customers to purchase an item related to what they are primarily interested in