You are analyzing the operational efficiency of two manufacturing companies, ManufacturingX and IndustryCo, in the automotive sector.

Requirements:

1. ManufacturingX reported operating income of $50 million and net sales revenue of $300 million for the fiscal year 2023. IndustryCo recorded operating income of $60 million and net sales revenue of $400 million during the same period.
2. Calculate the operating margin for both companies.
3. Discuss which company demonstrates better operational profitability relative to its net sales revenue.