Answer:
r = 10.4%
Explanation:
[tex]r = (r_{bt} + prem) (1-m) \\where: \\r = after \: tax, risk-free \: adjusted \: discount \: rate\\r_{bt} = rate \: before \: tax, risk \: free\\PREM = risk \: premium\\m = tax \: rate\\[/tex]
r = (.1+0.03) * (1-.20)
r= 0.104 = 10.4%