450 - 90.00 (20% OFF) = ₹360.00

305.08 + 54.92 (18%) = 360.00

• 8 + @ 24% : 289.83 + 18% = 342.00
• 16 + @ 28% : 274.58 + 18% = 324.00
• 24 + @ 32% : 259.32 + 18% = 306.00