Complex sentence: Hawkins wants to know for whom Sarah is working, but she insists that she is working only for herself, and that she plans to sell "the package" to the highest bidder in order to ensure her own survival.
Split into simpler sentences: Hawkins wants to know for whom Sarah is working, but she insists that she is now working only for herself. She plans to sell "the package" to the highest bidder in order to ensure her own survival.