A national retail store has leveraged its store, website, and catalog channels. The marketing director has calculated that a store customer who shops in all three channels$$store$,$ catalog, and website$$spends four to eight times as much as a customer who shops in only one channel. The store is likely following $\_\_\_\_\_\_\_\_\_\_$ strategy.

Group of answer choices

a multichannel marketing

a cross$-$functional

a market penetration

an interlocking marketing

a dual distribution