4-97. Determine the present equivalent value of the cash-flow diagram of Figure P4-97 (p. 180) when the annual interest rate, ik, varies as indicated. (4.13) P=? $1,000 $2,000 8% i2=10% i=8% 1 2 3 Years $1,000 =6% is=6% 4-10% Figure P4-97 Figure for Problem 4-97 5 $2.000 6