4. The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:
A. Rs. 4
B. Rs. 3.75
C. Rs. 2.50
D. Rs. 3
4. The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:
A. Rs. 4
B. Rs. 3.75
C. Rs. 2.50
D. Rs. 3