Use the Information That Follows Concerning Ulrich Computer for the Year

Use the information that follows concerning Ulrich Computer for the year ending December 31, 2018 for problems
Several accounts and amounts from the financial statements of Ulrich Computer appear below for the year ending December 31, 2018.
$\begin{array}{ll}\text { Cash } & \$ 11,000 \\\text { Sales Revenue } & 140,000 \\\text { Notes Receivable, 6-month } & 90,000 \\\text { Cost of goods sold } & 60,000 \\\text { Taxes Payable } & 31,000 \\\text { Salaries Expense } & 8,000 \\\text { Accounts Receivable } & 34,000\\\text { Dividends } & 42,000 \\\text { Equipment } & 150,000 \\\text { Accounts Payable } & 8,000 \\\text { Contributed Capital } & 30,000 \\\text { Retained Earnings } & 40,000 \\\text { Rent and Utilities Expense } & 4,000 \\\text { Income Tax Expense } & 20,000 \\\text { Inventory } & 21,000\end{array}$
-What is the total amount owed to Ulrich by its customers at the end of 2018?