Costs, not salary. Overhead is usually 1.5x-3x salary and I was throwing in some profit for good measure. So the number I threw out is more in the 150 k$-300 k$

Costs, not salary. Overhead is usually 1.5x-3x salary and I was throwing in some profit for good measure. So the number I threw out is more in the 150 k$-300 k$ range, not the 500 k$ range like you are thinking.