475 - 118.75 (25% OFF) = ₹356.25

301.91 + 54.34 (18%) = 356.25

• 10 + @ 29% : 286.81 + 18% = 338.44
• 20 + @ 33% : 271.72 + 18% = 320.62
• 30 + @ 36% : 256.62 + 18% = 302.81