Answer:
7.50%
Step-by-step explanation:
Expected earning per share = $3
Expected dividend per share (D1) = $1.50
Return on new investment (ROE) = 15%
Equity cost of capital = 12%
Dividend payout ratio = Expected dividend ÷ Expected earning per share
= 1.5 ÷ 3
= 0.5
Expected growth rate = ROE (1 - Dividend payout ratio)
= 15% × (1 - 0.5)
= 7.50%