McCoy Company Provides Plumbing Services

McCoy Company provides plumbing services.The company is a sole proprietorship.Transactions during the first year of operations are provided below.
a) The owner,Sharon McCoy,contributed $10,000 cash in exchange for capital.
b) Paid $1,100 cash for equipment to be used for plumbing repairs.
c) Borrowed $12,000 from a local bank and deposited the money in the checking account.
d) Paid $300 rent for the year.
e) Purchased $200 of office supplies by cash.
f) Completed a plumbing repair project for a local lawyer and received $3,200 cash.
Calculate the amount of total liabilities at the end of the first year.

A) $12,000
B) $10,000
C) $20,900
D) $3,200