The case explains that newly-hired CEO Ron Johnson quickly ordered the alteration of all stores to remove discount racks and add premium items. According to the case, that change and others signaled the move from a strategy to a strategy.

cost-leadership; blue ocean

Explanation:

From the question we are informed about the case explains that newly-hired CEO Ron Johnson quickly ordered the alteration of all stores to remove discount racks and add premium items. According to the case, that change and others signaled the move from a cost-leadership strategy to a blue ocean strategy.

Cost leadership can be regarded as strategy where there is establishment of a competitive advantage as a result of having the lowest cost of operation in a particular the industry by a firm, in this case, it is possible for a firm to be

lowest cost producer but at same time it doesn't offer lowest-priced products or services.

Blue Ocean Strategy can be regarded as a strategy used in a market in a case whereby where there exist no competition or there is very less competition for a particular product market. This strategy involves searching for a business whereby few firms operate it and pricing pressure is minimal or doesn't exist.

i'm pretty sure the answer is 60.