Answer:
32.13%
Step-by-step explanation:
The computation of the break-even corporate tax is shown below:
As we know that
Municipal bond return = preferred stock return before tax × [1 - (1 - dividend exclusion) × Break even corporate tax]
7.5 = 8.30 × [1 - ( 1 - 0.70) × Break even corporate tax ]
7.5 ÷ 8.30 = 1 - 0.30 × Break even corporate tax
0.9036 = 1 - 0.30 × Break even corporate tax
0.30 × Break even corporate tax = 1 - 0.9036
So, Break even corporate tax is
= 0.0964 ÷ 0.30
= 32.13%
Basically we applied the above formula