60000(11/10)4 - 60000(6/5)2 = 1446
How much more would Rs.60000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?

1) 482
2) 725
3) 992
4) 1446
5) 923