Answer:
       Production budget for the first quarter of 202x
Particulars        January   February   March     Total
Expected sales     3,900     3,200      3,700      10,800
Required ending    800      925       1,100      2,825
inventory
Less beginning     975       800       925       2,700
inventory
Required number   3,725      3,325      3,875     10,925
of units to be produced
The production budget for the first quarter includes the months of January, February and March. It doesn't include any materials, since they are included in the materials purchase budget.