i) A = P(1 + r/100)^n × (1 + br/100) = 80000(1 + 10/100)^(1) × (1 + 0.5 × 10/100) = 80000(1.1)(1.05) = 92400 Amount = Rs. 92,400
ii) A = P(1 + r/200)^(2n) × (1 + br/100) = 80000(1 + 10/200)^(2 × 1) × (1 + 0.5 × 10/100) = 80000(1.1025)(1.05) = 92610 Amount = Rs. 92,610 Difference = Rs. 210