00310.0 points Frank invests $7,680.00 at time t=0. in return he receives $4,600.00 at time t=1 and $10,100.00 at time t=3. Half of the time 1 payment, he reinvests at an annual effective interest rate of 6.5%. What is his annual yield rate for the three year period? (You are strongly advised to use a financial math calculator here.) Answer in units of percent