The diagram below shows the radial velocity curve of a double-line spectroscopic binary. Based on this radial velocity curve, which of the following statements is correct? 
Definitions:
Marketing Sense
The instinct or ability to make effective decisions in marketing strategies, understanding customer needs, market trends, and how to appeal to target audiences.
Marketing Concept
A business philosophy suggesting that company success lies in understanding and meeting the needs of its consumers.
Four Ps
Stands for Product, Price, Place, and Promotion, which are considered the core elements of the marketing mix used to market a product or service effectively.
Marketing
The endeavors, structures, and methods focused on producing, sharing, providing, and trading products and services that are valuable to consumers, associates, and the broader public.
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