Larett 8. Sons's commen stock currently trades at $28.00 a share. It is expected to pay an annual dividend of $2.50 a share at the end of the year (O. =$2.50% and the constant grumth rate is 4$5 a vear. a. Whet is the compasy's cost of common equity if at of its equity comes from retained earnings? po not round intermedete calculations. Round your anawer to twa decinal places. ditcet