Which step in implementing multichannel marketing is most challenging?

establishing subbrands for catalog retailers and direct selling channels

employing communication and delivery channels that are mutually reinforcing in attracting, retaining, and building relationships with consumers

monitoring and measuring performance in various channels

creating a website that will engage visitors with interactive experiences

documenting cross$-$channel consumer behavior with a customer journey map

The three rules for a company to successfully employ permission marketing include which of these?

Opt$-$in customers will be guaranteed the lowest possible price for an item compared to similar products or services sold by its competitors.

The firm will never buy marketing lists from other companies that may contain their personal information.

The firm makes sure opt$-$in customers receive only information that is relevant and meaningful to them.

Customers will receive a $"30-$day money$-$back guarantee if not $100$ percent satisfied" for any product purchased online.

Customers will be protected from identity theft for any product purchased from its website.