On January 15, 2000, Enterprise A loans $7,000 to Enterprise B and $14,000 to Enterprise C. Enterprise B repays Enterprise A $8,000 on January 15, 2002 and this money is reinvested at a 5% annual effective rate. Enterprise C repays Enterprise A $16,500 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 __%