Tennison Corporation Had the Following Transactions in Its First Year

Tennison Corporation had the following transactions in its first year of operations:
$$\begin{array} { | l | r | } \hline \text { Sales(90\% collected in year) } & \$ 1,500,00 \\\text { Bad debt write-offs } & 60,000 \\\hline \text { Disbursements for costs and expenses } & 1,200,000 \\\hline \text { Disbursements for income taxes } & 90,000 \\\hline \text { Purchases of fixed assets } & 400,000 \\\hline \text { Depreciation of fred assets } & 80,000 \\\hline \text { Proceeds from issuance of common stock } & 500,000 \\\hline \text { Proceeds from short-tem borrowings } & 100,000 \\\hline \text { Payments on short-tern borrowings } & 50,000 \\\hline\end{array}$$ What is the cash balance at year end?

A) $150,000.
B) $170,000.
C) $210,000.
D) $280,000.