Which one of these rules is NOT part of Internal Development?

Have a strong entrepreneurial orientation because implementing this strategy is the same as starting a start$-$up$.$

Pursue this method only if you have the resources and capabilities for the firm.

Welcome competitors because each partner can bring something of value that other partners can use.

Hire the expertise and knowledge to develop the new business unit to achieve the marketing and sales to be successful.

Be aware that this is a very costly and time$-$intensive strategy, so be careful