Although ConstructCo Has Already Entered into a General Security Agreement

Multiple Choice

Although ConstructCo has already entered into a general security agreement with BigBank that grants a security interest in all of its existing and after acquired personal property,Alpha Lending Inc has agreed to lend ConstructCo $15,000 to purchase a new forklift.What is the name of the type of security interest that would best serve Alpha Lending Inc in these circumstances?

A) letter of credit
B) purchase money security interest
C) debenture
D) indemnity agreement