Answer:
a. product modification
Step-by-step explanation:
A product life cycle can be defined as the stages or phases that a particular product passes through, from the period it was introduced into the market to the period when it is eventually removed from the market.
Generally, there are four (4) stages in the product-life cycle;
1. Introduction.
2. Growth.
3. Maturity.
4. Decline.
In this scenario, Cortez has been exploring mixing flavors and has created a new lychee and cranberry juice drink. Thus, this is an example of a product modification because there's an improvement upon the old method.