Money to be paid by Aarti
= PW of ₹ 440 due 1 yr hence
= {440 x 100}/{100 + (10 x 1)} = {440 x 100}/110
= 4 x 100 = ₹ 400
Aarti actually pays ₹ 220 + PW of ₹ 220 due yr hence
i.e. 220 + {(220 x 100) / (100 + 10 x 2)}
= 220 + (220 x 100)/120
= [220 + 183.33]
= ₹ 403.33
∴ Loss of Aarti = 403.33 - 400
= ₹ 3.33