Coon Company uses the weighted$-$average method in its process costing system. The Packaging Department started the month with $260$ units in process, started $1,420$ units, and had $170$ units in process at the end of the period. All materials are added at the beginning of the process, and conversion costs are incurred uniformly. The units in process at the end of the month are $50\%$ complete with respect to conversion costs. The department incurred the following costs:

$($Click on the icon to view the costs.$)$

How many units were completed and transferred out?

A$.1,420$ units

B$.1,510$ units

C$.170$ units

D$.1,250$ units

Data tablew

$\backslash$table$[[,$Beginning WIP,Added this month,Total$],[$Direct Materials,$$,900$$$,3,100,4,000],[$Conversion Costs,$550,6,000,6,550,],[$Total$,1,450,9,100,10,550,]]$