The Balances of Select Accounts of Sandra Company as at December

The balances of select accounts of Sandra Company as at December 31, 2015 are given below: $$\begin{array} { | l | r | } \hline \text { Notes Payable-short term } & \$ 1,200 \\\hline \text { Salaries Payable } & 4,000 \\\hline \text { Notes Payable-long term } & 25,000 \\\hline \text { Accounts Payable } & 3,200 \\\hline \text { Unearned Revenue } & 2,000 \\\hline \text { Interest Payable } & 2,500 \\\hline\end{array}$$
-Refer to the table above.The unearned revenue is the amount of cash received for services to be rendered in January, 2016. What are the total long-term liabilities shown on the balance sheet?

A) $1,200
B) $4,000
C) $5,200
D) $25,000