A company currently manufactures a component that according to the internal calculation system costs 280 kr / pc. A supplier offers to manufacture the same component at a price of SEK 200 / pc. Initially it looks like an interesting offer. a) (for a maximum of 2 points): explain how the company should reason when comparing to manufacture himself "against" to buy in ". b) (for a bonus point): How will the warehousing costs probably change if you buys the component, and why?