Answer:
Cost of equity is 10.9%
Step-by-step explanation:
Cost Asset Pricing model will be used for the calculations of cost of equity.
Capital asset pricing model measure the expected return on an asset or investment. It is used to make decision for addition of specific investment in a well diversified portfolio.
In this Question the 4.2% of return on Treasury is Risk free rate, market return is 11.8% ans associated beta is 0.88.
Formula for CAPM
Expected return = Risk free rate + beta ( Market return - Risk free rate )
Expected return = 4.2% + 0.88 ( 11.8% - 4.2% )
Expected return = 4.2% + 6.688%
Expected return = 10.888% = 10.9%