Drew Contracts to Sell a Residential Duplex to Evan

Multiple Choice

Drew contracts to sell a residential duplex to Evan.The contract pro?vides that if Drew does not close the deal by September 15,he must pay Evan one-half of the contract price.This provision is not enforceable be?cause it is

A) a liquidated damages clause.
B) a mitigation clause.
C) a nominal damages clause.
D) a penalty clause.