You are provided with the following data in relation to Kihonge enterprise: Security Weight Alpha Beta Residual variance Wi A 0.2 2.0 1.7 370 B 0.1 3.5 0.5 240 C 0.4 1.5 0.7 410 D 0.3 0.75 1.3 285 Portfolio value 1.0 1.575 1.06 108.45 Required: Calculate the value of: i. Portfolio alpha, (2mks) 11. Portfolio beta (2mks) 111. Portfolio residual variance (3mks) iv. Assume the market return is 15%: Calculate the expected portfolio return (3mks)