Answer:
9.635%
Explanation:
We shall use a table to compute different values as shown below.
Investment Return Taxable amount Tax Rate After-tax return
Dividend 9.8% 30% (n1) 18% 9.2708% (w1)
Municipal bond 8.8% 0% 18% 8.8%
Corporate bond 11.75% 100% 18% 9.635% (w2)
The after tax return with on the best investment alternative is 9.635% for corporate bonds
Workings:
W1
9.8 *0.3*0.18 = 0.5292%
Return after tax = 9.8% -0.5292% = 9.2708%
w2
18.75*0.18 =2.115%
Return after tax = 11.75% -2.115% = 9.635%
Notes:
n1 : 70% of the dividends are excluded from taxation. Only 30% is to be taxed