Suppose the price of gold is $6 and quantity demanded is 10 units. When the price decreases to $5, quantity demanded increases to 13 units. What happened to total revenue and what does this indicate?
A) Total revenue decreased, indicating inelastic demand.
B) Total revenue increased, indicating elastic demand.
C) Total revenue remained the same, indicating unitary elasticity.
D) Total revenue cannot be determined with the provided information.