Angela loans Kathy $8,000. Kathy repays the loan by paying $6,000 at the end of one and a half years and $4,000 at the end of three years. The money received at t D 11 is immediately reinvested at an annual effective interest 2 rate of 6%. Find Kathy's annual effective rate of interest and Angela's annual yield. 10. On January 15, 2000, Enterprise A loans $6,000 to Enterprise B and $17,000 to Enterprise C. Enterprise B repays Enterprise A $7,000 on January 15, 2002 and this money is reinvested at a 5% annual effective rate. Enterprise C repays Enterprise A $22,500 on January 15, 2004. What is the annual yield received by Enterprise A over the four-year interval. Compare it to the annual effective interest rates paid by Enterprises B and C.