Answer:
Yes, it is justified.
Explanation:
The Mobile Phone market is one of the larges markets that exist, with Smartphone shipments worldwide adding up to around 1.6 billion units in 2019. Therefore even though creating mobile phone applications are costly and time consuming, the size of the market alone justifies this implementation because it will allow their product to land in the hands of all those people within that market. This in term leads to a significant increase on their Return on Investment (ROI).
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What ever one you want I want to join the navy
I would say graphs, and diagrams
Lemon test,is one of them