6. Choose the correct inequation

Hendry is a salesperson, earns \(₹\)2000 for every bike he sell and \(₹\)3500 for every car he sells as an incentives. He earns \(₹\)15000 per month as a salary, including incentives.

 

Take \(a\) as the number of bikes he sells and \(b\) as the number of cars he sells, then select the correct inequation that explains the perfect relation between his salary and incentives.