The Mallak Company Produced Three Joint Products at a Joint

The Mallak Company produced three joint products at a joint cost of $100,000. Two of these products were processed further. Production and sales were:
$\begin{array}{cccc}&&&\text { Additional Processing }\\\text { Product } & \text { Weight } & \text { Sales } & \text { Costs } \\ \text { P } & 300,000 \mathrm{lbs}& \$ 245,000 & \$ 200,000 \\ \text { Q } & 100,000 \mathrm{lbs} & 30,000 & -0- \\ \text { R } & 100,000 \mathrm{lbs} &175,000 &100,000 \\\end{array}$
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Assume Q is a by-product and Mallak uses the cost reduction method of accounting for by-product cost. If estimated net realizable value is used, how much of the joint costs would be allocated to product R?

A) $38,889.
B) $43,750.
C) $50,000.
D) $62,500.