Answer:
After-tax rates of return on the municipal bond is 4%
After-tax rates of return on the corporate bond is 4.4%
Step-by-step explanation:
given data
rates of return = 4% = 0.04
rates of return = 5.5% = 0.055
tax bracket = 20% = 0.20
solution
we get here After-tax rates of return on the municipal bond that is
and here no taxes are levied so
rates of return = return ( 1 - 0 )
rates of return = 0.04 (1 - 0)
rates of return = 0.04 or 4%
and now we get After-tax rates of return on the corporate bond
rates of return = 0.055 × (1 - 0.20)
rates of return = 0.044 or 4.4%