Answer:
8%
Step-by-step explanation:
Calculation for what interest rate does Surething Inc. need to offer to make Hugh indifferent between investing in the two bonds
Using this formula
Interest rate=City of Heflin bond Percentage rate/(1 − Marginal tax rate)
Let plug in the formula
Interest rate=4.80% / (1 − 40%)
Interest rate=4.80%/60%
Interest rate= 8%
Therefore the interest rate that Surething Inc. need to offer to make Hugh indifferent between investing in the two bonds will be 8%