Need help with this DFD (Context, Level 0 and level 1)

DFD3. Receiving Function at Globe Appliances Globe Appliances is involved in the marketing of household products, such as microwave ovens, food processors, cooking ranges, mixers, juicers, and various other electrical and non- electrical appliances. For the past few months, there have been complaints from various departments about the inefficient handling of receiving of products by the warehouse. A consultant is hired to assess the situation and to provide some suggestions for improvement. Following is a description from the warehouse manager on the functioning of his department. A clerk at the warehouse receives copies of the purchase orders (P.O.s) mailed to the suppliers. The clerk sorts all the P.O.s by date and places them in the P.O. file pending receipt of the goods. The suppliers deliver the ordered products along with packing slips (P.S.s) to the warehouse. The receiving clerk checks the P.S. for P.O. numbers and takes out the corresponding P.O.s from the P.O. file. She then compares the products received to the products ordered for any discrepancy. If the goods are damaged or are not of the quality specified in the P.O.s, they are sent back to the supplier with the P.S. and a rejection letter explaining the reason. Otherwise, the P.O. and the P.S. are used to prepare a receiver describing the discrepancies in terms of quantities or delivery dates The P.O., the P.S., and the receiver are sent to another clerk who updates the inventory file. The receivers, P.O.s, and P.S.S are then sent to the purchasing department for further processing. Task: Draw DFD (Context Diagram and Level-0 and Level-1 DFDs) to help understanding the flow of information in the Globe Appliances warehouse. DFD3. Receiving Function at Globe Appliances Globe Appliances is involved in the marketing of household products, such as microwave ovens, food processors, cooking ranges, mixers, juicers, and various other electrical and non- electrical appliances. For the past few months, there have been complaints from various departments about the inefficient handling of receiving of products by the warehouse. A consultant is hired to assess the situation and to provide some suggestions for improvement. Following is a description from the warehouse manager on the functioning of his department. A clerk at the warehouse receives copies of the purchase orders (P.O.s) mailed to the suppliers. The clerk sorts all the P.O.s by date and places them in the P.O. file pending receipt of the goods. The suppliers deliver the ordered products along with packing slips (P.S.s) to the warehouse. The receiving clerk checks the P.S. for P.O. numbers and takes out the corresponding P.O.s from the P.O. file. She then compares the products received to the products ordered for any discrepancy. If the goods are damaged or are not of the quality specified in the P.O.s, they are sent back to the supplier with the P.S. and a rejection letter explaining the reason. Otherwise, the P.O. and the P.S. are used to prepare a receiver describing the discrepancies in terms of quantities or delivery dates The P.O., the P.S., and the receiver are sent to another clerk who updates the inventory file. The receivers, P.O.s, and P.S.S are then sent to the purchasing department for further processing. Task: Draw DFD (Context Diagram and Level-0 and Level-1 DFDs) to help understanding the flow of information in the Globe Appliances warehouse