Two equal sums of money are lent at the same time at 8% and 7% per annum simple interest. The former is recovered 6 months earlier than the later and the amount in each case is Rs. 2,560. The sum and
A). Rs. 1,500, 3.5 years and 4 years
B). Rs. 2,000, 3.5 years and 4 years
C). Rs. 2,000, 4 years and 5.5 years
D). Rs. 3,000, 4 years and 4.5 years