What are some obstacles to coordination in the supply chain:

$($select all that apply$)$

Group of answer choices

Lack of operational inefficiencies leading to large replenishment lead times and large lots

Lack of information sharing

Lack of trust that makes any effort toward coordination difficult.

Different stages optimizing local objectives instead of total supply chain profits.

Rationing schemes that encourage inflation of orders

Sales force incentives and promotions that encourage forward buying