Exit from a competitive industry will occur until economic

A) losses are driven to zero.
B) profits just offset all accounting losses.
C) costs are sufficiently below accounting losses so that profits are realized.
D) profits are driven to zero.

Exit from a competitive industry will occur until economic losses are driven to zero, meaning that firms will leave the industry if they are unable to cover their total costs, including both explicit and implicit costs, until they reach a break-even point where economic profits are zero.