CP = ₹ 9600, gain = 16(2/3) %
We have,
SP = {((100 + gain %) /100) × CP)}
= {((100 + (50/3)) /100) × 9600)}
= {(((300 + 50)/3)) /100) × 9600)}
= {((350/3) /100) × 9600}
= {((350/3) × (1/100)) × 9600}
= {(350/300) × 9600}
= {(350/3) × 96}
= {350 × 32}
= ₹11200