Answer:
D. Razor -Razor -blade
Explanation:
A razor - razor blade business model is a type of business model that involves selling a particular product at a low price in increase sales of complementary goods. It refers to the sales of a core product of a firm at a low price with the expectation that consumer will purchase the more expensive dependent products.
True Vibgyor selling its e-book readers at a $15 and anticipating that the firm will make its profit when the customers buy or download books online is an example of a Razor - razor blade business model.
Hence the answer is D. Razor -Razor -blade
