Part $2--$ question $4$

Use the work you have done for Question $4$ to select all true statements about buying from Suppliers A$,$ B$,$ and C $($note: this is for Part $2).$

Select all that apply.

Supplier $C$ is the optimal supplier when buying $4000$ units

Supplier $A$ is the optimal supplier when buying $300$ units

Supplier B is the optimal supplier when buying $1000$ units

The Point of Indifference between Suppliers B and C occurs at $700$ units

When buying $192$ units, there are multiple optimal Suppliers to choose from