When a Firm Raises the Price of Its Product,what Happens

Multiple Choice

When a firm raises the price of its product,what happens to its total revenue?

A) If demand is elastic, total revenue decreases.
B) If demand is unit elastic, total revenue increases.
C) If demand is inelastic, total revenue decreases.
D) If demand is elastic, total revenue increases.
E) If demand is unit elastic, total revenue decreases.