A computer is available for Rs. 71,580 cash or Rs. 12,000 as cash down payment followed by three equal half yearly instalments. If the interest is charged at 20% p.a., compounded half yearly, the interest paid by customer under the instalment plan is:
1
Rs. 12,294
2
Rs. 11,248
3
Rs. 10,245
4
Rs. 12,498