Total C.P. of Car and TV 76000+27500=103500
Car he sold on 15% profit , so S.P. of Car =76000+76000×15100=76000+11400=87400
TV he sold on 12% loss, S.P. of TV =27500−27500×12100=27500−3300=24200
Total Salling price =87400+24200=111600
Gain=SP−CP
=111600−103500=8100