In the context of supports for new businesses, why are established businesses often hesitant to buy from a start$-$up business?

Multiple Choice

because it is more profitable for established businesses to fulfill any requirements through resources already present within their organizational structures

because small businesses are typically family$-$run establishments, making them unreliable in the long run

because it is not clear if the new business will be able to fulfill an order or servich a product in the future

because the supply structures of established businesses are resistant to incorporating new supply sources