Outlook Department Store's Accounts Receivable Balance After Posting Net Collections

Outlook Department Store's accounts receivable balance after posting net collections from customers for 2012 is $180,000. The customers took advantage of sales discounts of $15,000. Management aged the accounts receivable and estimate for uncollected account percentages as follows: $\begin{array}{ll}\$ 90,000 & \text { Current at } 2 \% \\\$ 50,000 & 1-30 \text { days past due at } 5 \% \\\$ 30,000 & 31-60 \text { days past che at } 10 \% \\\$ 10,000 & 60+\text { days past due at } 25 \%\end{array}$ The net realizable value of the accounts receivable is:

A) $173,200.
B) $170,200.
C) $172,700.
D) $180,000.