School	Personal gifts	Shared pieces	Packing total	Illustrative receiving owner
School A	28	1	29	A receiving contact
School B	31	1	32	B receiving contact
School C	19	1	20	C receiving contact
Total	78	3	81	Central purchasing coordinator
Transfer scenario B	30	1	31	One personal gift moves to C
Transfer scenario C	20	1	21	Same physical purchase total