$29.$ The types of products a company decides to sell is a core part of strategic decision making. However, there are costs attached to creating and selling products, so the extent of a company's product range has a high impact on its overall profitability. One way a company can extend its product range is by creating variants of its existing products.

Which of the statements below are good strategic reasons to offer specific product variants?

A$.$ Product variants are introduced to replace ageing products

B$.$ Closing gaps in the product range can block out opportunities for new competitors

C$.$ Product variants have to attain high profit margins as they will take away sales of the core product in the range

D$.$ Product variants can be used to test new marketing ideas