Render the radio buttons using the salaryData module

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• These first four task will focus on rendering the elements using the names of the companies and the different roles available in the collected salary data.
• Open salaryData.js where you will find the collected data in the variable salaryData. Below are four functions for filtering down this data.
  • Export the four functions from salaryData.js using ES6 named export syntax.
  • Export the salaryData array as the default export.