Which of the following were competing factors in the $\text{'}$as is$\text{'}$ value curve for Blockbuster and other video rental stores

$($Select ALL that apply$)$

a$.$

Number of Stores

b$.$

Number of copies available in store of new release hit films

c$.$

Rental price

d$.$

The customer value delivered by the video store offering.

e$.$

Proximity of physical store to residential areas