The Following Financial Information Is from Shovels Construction Company for 2012

The following financial information is from Shovels Construction Company for 2012:
$$\begin{array} { | l | r | } \hline \text { Accounts Payable } & \$ 15,000 \\\hline \text { Buildings } & 80,000 \\\hline \text { Cash } & 10,500 \\\hline \text { Accounts Receivable } & 9,500 \\\hline \text { Sales Tax Payable } & 4,500 \\\hline \text { Retained Earnings } & 47,500 \\\hline \text { Supplies } & 40,000 \\\hline \text { Notes Payable (due in 18 months) } & 35,000 \\\hline \text { Interest Payable } & 3,000 \\\hline \text { Common Stock } & 35,000 \\\hline\end{array}$$
What is the amount of current assets,assuming the accounts above reflect normal activity?

A) $20,000.
B) $60,000.
C) $140,000.
D) $175,000.