Emmett, an Agent for Fridley, Signs an Agreement with Grover

Emmett, an agent for Fridley, signs an agreement with Grover on Fridley's behalf but neglects to tell Fridley that the agreement requires the payment of a certain tax. The government prosecutes Fridley for failing to pay the tax. Fridley is

A) liable, because notice to Emmett is notice to Fridley.
B) liable, because notice to Glover is notice to Fridley.
C) not liable, because Emmett did not notify Fridley of the tax.
D) not liable, because Glover did not tell Fridley about the tax.