Julia Owes Ryan $10,000

Julia owes Ryan $10,000.When the debt comes due,Julia refuses to pay.Ryan obtains a judgment against Julia to collect the debt,but she still refuses to pay.Using a writ of execution,the court orders the sheriff to seize Julia's boat and sell it to pay the debt.The boat sells for $15,000.Ryan will receive 

A)  ​$15,000 and Julia will receive nothing. 
B)  ​$10,000 and Julia will receive $5,000. 
C)  ​$7,500 and Julia will receive $7,500. 
D)  ​$10,000 and the court will receive $5,000.