In the Shaping Department of Marigold Company the unit materials cost is $$2\mathrm{.}00$ and the unit conversion cost is $$1\mathrm{.}50.$ The department completed and transferred out $9000$ units and had $2000$ units in ending work in process inventory that were $25\%$ complete as to conversion. If all materials are added at the beginning of the process, the cost to be assigned to ending work in process inventory is

$$1750.$

$$7000.$

$$4750.$

$$4000$