750 - 150.00 (20% OFF) = ₹600.00

508.47 + 91.53 (18%) = 600.00

• 6 + @ 24% : 483.05 + 18% = 570.00
• 12 + @ 28% : 457.63 + 18% = 540.00
• 18 + @ 32% : 432.20 + 18% = 510.00