Blackberry phones expect to sell $700$ units in January, $450$ units in February, and $2,000$ units in March. January's beginning inventory is $2,000$ units. Expected sales for the whole year are $19,200$ units. Garza has decided on a level monthly production schedule of $1,600$ units units$/12$ months $=1,600$ units per month$).$ What is the expected end$-$of$-$month inventory for January, February, and March?

Ending inventory

January

February

March