From the Following Information Calculate the Cash Received from Customers

Multiple Choice

From the following information calculate the cash received from customers. $$\begin{array} { l r } \text { Accounts receivable opening balance } & \$ 20,000 \\\text { Credit Sales } & \$ 860,000 \\\text { Accounts receivable closing balance } & \$ 40,000\end{array}$$

A) $840,000.
B) $900,000.
C) $840,000
D) $820,000.