**please answer correctly :) I post a lot for this financial mathematics class and they seem to be answered wrong a lot!!

6.

On January 15, 2000, Enterprise A loans $5,000 to Enterprise B and $16,000 to Enterprise C. Enterprise B repays Enterprise A $6,000 on January 15, 2002 and this money is reinvested at a 5% annual effective rate. Enterprise C repays Enterprise A $18,500 on January 15, 2004. What is the annual yield received by Enterprise A over the four-year interval? Find the annual effective interest rates paid by Enterprises B and C. (Round your answers to two decimal places.)

Enterprise A's annual yield = ______%

Enterprise B's annual effective interest rate = ________%

Enterprise C's annual effective interest rate = ________ %