The association-causation fallacy is the error of assuming that what is true for one member of a group must be true for the group

Present bias implies that:

A) a consumer gives much more weight to the future than to the present. B) a consumer gives much more weight to the present than to the future. C) discount weights for delayed consumptions will always equal one. D) discount weights for delayed consumptions will always be greater than one.

What is the shape of a perfectly elastic demand curve? Explain its significance for a seller