Sixteen-Year-Old Brent Has Lived on His Own for Two Years

Sixteen-year-old Brent has lived on his own for two years and is considered emancipated by implied consent.Brent contracts with Dave for the purchase of a new mattress for $150.Dave delivers the mattress and sends Brent a bill in the mail.In the meantime,Brent finds out the reasonable value of the mattress is only $100.Brent feels that Dave took advantage of him and refuses to pay.Dave sues him for $150.Assuming the bed is considered a necessary,what amount,if any,is Dave entitled to?

A) The difference between the reasonable and actual price,$50.
B) The actual price,$150.
C) The reasonable price,$100.
D) Dave is not entitled to any money.