You would imagine it would be a design improvement since the performance hasn't been upgraded. For example, the new iPhone XS Max has a larger screen than the iPhone X did when it first came out, but overall performance was not increased; it still had the same processor and graphics card, but just a larger screen and higher pixel per inch ratio. If there is no change in product performance AND there is no change in the design, it essentially the same product.
I say when in doubt, go with c
The correct answer is letter D, determine how applying information systems will increase her business opportunities.
This is the smartest and the best step that she can take in order for her to increase her profits from her business. When here profits have increased, it is already easy to figure out the next steps on how she can expand her company.