The text provides three primary strategic approaches $($differentiation$,$ cost$,$ and response$)$ for achieving competitive advantage. Provide an example of each. Support your choices. Choose the correct example of differentiation and its explanation below.

A$.$ FedEx, as it guarantees specific delivery schedules.

B$.$ Hunter Fan, as it guarantees delivery in $3$ days.

C$.$ Hunter Fan, as it's a premier maker of quality ceiling fans that lower heating and cooling costs for its customers.

D$.$ FedEx, as it specializes only in delivering high importance documents.

Choose the correct example of cost leadership and its explanation below.

A$.$ Hard Rock, as it engages the customer with classic rock music

B$.$ Wal$-$Mart, as it has the low overhead and huge buying power to pressure its suppliers into concessions.

C$.$ Hard Rock Cafe, as it provides the aroma of fresh coffee or freshly baked bread.

D$.$ Wal$-$Mart, as it provides fast product delivery to the customers

Choose the correct example of response and its explanation below.

A$.$ Hard Rock Cafe, as it provides the aroma of fresh coffee or freshly baked bread

B$.$ FedEx, as it guarantees specific delivery schedules.

C$.$ FedEx, as it specializes only in delivering high importance documents

D$.$ Hard Rock, as it engages the customer with classic rock music