Sharon Samson Starts a Plumbing Service Named Reliable Waterworks

Sharon Samson starts a plumbing service named Reliable Waterworks.Selected transactions are described as follows:
A.Sharon deposits $7,000 into a new checking account for the business,recording the capital contribution.
B.Reliable pays $4,000 cash for equipment to be used for plumbing repairs.
C.Reliable borrows $15,000 from a local bank and deposits the money in the checking account.
D.Reliable pays $600 rent for the first month.
E.Reliable pays $400 cash for plumbing supplies to be used on various jobs in the future.
F.Reliable completes a plumbing repair project for a local lawyer and receives $1,300 cash.
G.Sharon takes a cash withdrawal of $2,500.
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After all of the transactions,what is net income?

A) $700
B) $300
C) $4,500
D) $1,300