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Initially, Arun’s rent expense = 2500 + 9000 = Rs. 11,500 Initially, Arun’s grocery expense = 11500 × (180/100) = Rs. 20,700 Initially, total expenses of Arun = 2500 + 11500 + 20700 = Rs. 34,700 = 80% of his income So, initial income of Arun = 34700 × 100/80 = Rs. 43,375
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