Compute Ke and Kn under the following circumstances: a. D1=$5.00,P0=$70,g=8%,F=$7.00. (Round your intermediate and final answers to 2 decimal places.) b. D1=$0.22,P0=$28,g=7%,F=$2.50. (Round your intermediate and final answers to 2 decimal places.) c. E1 (earnings at the end of period one) =$7, payout ratio equals 40 percent, P0=$30,g=6.0%,F=$2.20. (Round your intermediate and final answers to 2 decimal places.) d. D0 (dividend at the beginning of the first period) =$6, growth rate for dividends and earnings (g)=7%,P0=$60,F=$3. (Round your intermediate and final answers to 2 decimal places.)