Depends if you're a Knight or not

630 is 50% of the remainder.

Therefore the remainder is 1260 Rupees

This is 90% of the original income.

Therefore OI = 1400 Rupees (simple math)

630 is 50% of the remainder.

Therefore the remainder is 1260 Rupees

This is 90% of the original income.

Therefore OI = 1400 Rupees (simple math)