A monopolistically competitive firm faces a demand curve depicted by the formula P = 24 - 4Q, where P represents price and Q is quantity demanded.
When the monopolistically competitive firm lowers price from $16 to $12, how much does total revenue change?
A. Total revenue decreases by $8.
B. Total revenue increases by $4.
C. Total revenue does not change.
D. Total revenue increases by $12.
E. Total revenue increases by $8.
F. Total revenue decreases by $4