Which of the Following Is Not a Way to Sustain

Which of the following is not a way to sustain price- based advantage?

A) Having deep pockets to fund a price war
B) Cross subsidising the low margin business from other parts of the business portfolio
C) Focusing on markets where high product/service value is appreciated by customers
D) Having organisationally specific capabilities which drive down cost throughout the value chain
E) Selling higher volumes at reduced margins