Akhil took a loan of र10,000 from Bharat at a simple interest rate of 10% per annum. Three people Pasha, Quadir and Robert approached him for a loan, offering to pay 7%, 8% and 12% simple interest per annum respectively. Akhil lent the money in such a way that he will make a profit of 1% on the borrowed sum per year, what is the maximum possible sum that he might have lent to Robert?

1) 7000
2) 7500
3) 8000
4) 8500