You pay 10000 USD for your school for 4 years at the beginning of the academic year. They are considered to be compounded annually

Then you want to get it back in 8 years as an increase in your salary which you also receive at the beginning of each month. If your required rate of return is 12% How much raise must you get as a result of your diploma compared to someone who does not have it?

a	417
b	777
c	769
d	861