Answer:Pound of raw materials needed to be purchased = 400000 pounds
Step-by-step explanation:
Opening inventory at January 1 =40000 pounds
Closing inventory at January 31- =130000 pounds
Pounds required for production ==310000 Pounds
Pound of raw materials needed to be purchased= Pounds required for production + Closing inventory at January 31 --Opening inventory at January 1 =
=310, 000 pounds+130, 000 pounds -40000 pounds
=400000 pounds