Building an AI platform MVP - is this a reasonable cost?

I’m building an AI app. Is this a reasonable cost for a 4 people dev team based in India to build the MVP?

  1. Person A : Comes with extensive development experience, well versed in Python, System Architecture, API, Micro-Services
  2. Person B : Comes with extensive UI experience. well versed in Angular and React.
  3. Person C : Fresh Graduate - will work as helping hand, however has training on React and Python so will work with both A and B
  4. Person D : AWS + AI expert

Following are the monthly salaries in ( approx ) USD costs for them : 1. A : 1050 USD 2. B : 825 USD 3. C : 250 USD 4. D : 1050 USD

Total : 3175 Admin Cost : 350 ( For all 4 resources ) Total Monthly billing for next 4 months anticipated : 3525 USD