60 - 12.00 (20% OFF) = ₹48.00

40.68 + 7.32 (18%) = 48.00

• 12 + @ 24% : 38.64 + 18% = 45.60
• 24 + @ 28% : 36.61 + 18% = 43.20
• 36 + @ 32% : 34.58 + 18% = 40.80