Samantha Has Been Working for a Law Firm and Earning

Samantha has been working for a law firm and earning an annual salary of $80,000.She decides to open her own practice.Her annual expenses will include $15,000 for office rent,$3,000 for equipment rental,$1,000 for supplies,$1,200 for utilities,and a $35,000 salary for a secretary/bookkeeper.Samantha will cover her start-up expenses by cashing in a $20,000 certificate of deposit on which she was earning annual interest of $500.Assuming that there are no additional expenses,Samantha's annual implicit costs will equal

A) $55,200.
B) $75,200.
C) $80,500.
D) $165,700.