Answer: Option D( a and b)
Step-by-step explanation:
From the question, we are informed that Aladdin Jets wants to build an airplane that is made by welding the skin of the plane and that the technique is much less expensive than an alternative riveting technology.
We are further informed that the firm is also using a new type of jet engine with superior efficiency. The above analysis shows that the firm is using a product differentiation strategy and also reducing costs. While the company is trying out new things, it's also trying to minimize cost.