A stock has a market beta of 0.8, a Small-Minus-Big (SMB) loading of 1.0, a High-Minus-Low (HML) loading of 1.2, and a Pastor and Stambaugh (SP) loading of 0.6. The market return is 8% per annum and the risk-free rate is 3% per annum. The SMB, HML, and PS premia are all 4% per annum. What is the required rate of return on this stock using the Fama and French three-factor model augmented with the Pastor and Stambaugh liquidity factor? Select one: a. 7.00% per annum. b. 9.40% per annum. c. 15.80% per annum. d. 18.20% per annum. e. None of the options.