Answer:
11.41%
Step-by-step explanation:
Unlevered beta for new division:
= Levered beta ÷ [1 + (1 - tax) × D/E]
= 1.6 ÷ [1 + (1 - 40%) × (40 ÷ 60) ]
= 1.14
Beta for Faris's new division:
= Unlevered beta × [(1 + (1 - tax) × D/E]
= 1.14 × [1 + (1 - 40%) × (70 ÷ 30)]
= 2.74
Using CAPM,
Cost of equity, re = Rf + (beta × MRP)
= 8% + (2.74 × 5%)
= 21.71%
WACC:
= (wd × rd) + (we × re )
= (70% × 7%) + (30% × 21.71% )
= 11.41%