Assume that, as marketing director for Mazda, you see your sales decreasing in the years since the Honda Prelude with four-wheel steering was introduced. If you hope to regain sales in this market quickly through a new-product action, the most valuable sources of ideas would be:
A.
consumer suggestions.
B.
employee suggestions.
C.
research and development breakthroughs.
D.
competitive products.
Answer: D