Sarah,age 17,buys a Car on Credit from Lora

Multiple Choice

Sarah,age 17,buys a car on credit from Lora.Sarah signs a promissory note,agreeing to pay $1000 a month on the note until the note is paid in full.Lora has Sarah's father cosign the note.Under these circumstances,Sarah's father is:

A) a surety.
B) secondarily liable on this contract.
C) a guarantor of payment on this contract.
D) not liable on this contract because Sarah is a minor.