$$b$)$ How can Boreki use this$$ information?

A$.$

Boreki can use this information to manage her A and B items more closely and to save ordering costs by ordering all items simultaneously from the same supplier.

B$.$

Boreki can use this information to manage all her items more closely. No one item is more important than$$ another, so she is free to order any items she desires so long as they are from the same supplier.

C$.$

Boreki can use this information to manage her A and B items more closely and to save ordering costs on her less important C items by ordering only when A or B items are being ordered from the same supplier.

D$.$

Boreki can use this information to manage her C items more closely and to save ordering costs on her less important A and B items by ordering only when C items are being ordered from the same supplier.