400 - 80.00 (20% OFF) = ₹320.00

271.19 + 48.81 (18%) = 320.00

• 8 + @ 24% : 257.63 + 18% = 304.00
• 16 + @ 28% : 244.07 + 18% = 288.00
• 24 + @ 32% : 230.51 + 18% = 272.00