Three years ago Jane borrowed 7500 from Mary. The condition was that she would pay her back in seven years time at an interest rate of 11.21% per year, compounded semi-annually. Six months ago she also borrowed 25000 from Mary at 9.45% per year, compounded monthly. Jane would like to pay off her debt four years from now. The amount of money that Jane will have to pay Mary four years from now equals
1) 36607.98
2) 45181.81
3) 48032.20
4) 54278.92
5) 55336.49