If the price elasticity coefficient equals 4.2, then demand is relatively inelastic with regard to price

In the figure above, when the market is in equilibrium, what is the total surplus?

A) $1,000 B) $800 C) $200 D) $1,600

Ezybuy is a newly opened chain of departmental stores that offers its customers free home delivery for purchases above $100 . If this promotional policy increases the cost borne by the seller by $10 for every transaction, while each customer values this service at $3, it can be said to generate economic value

Indicate whether the statement is true or false