Final answer:
Interest on corporate bonds is taxed as ordinary income.
Step-by-step explanation:
The correct answer is option b. it is taxed as ordinary income.
Interest on corporate bonds is considered taxable income and is subject to ordinary income tax rates. The income earned from corporate bonds is added to an individual's total income and taxed accordingly.
For example, if someone earns $1,000 in interest from corporate bonds and their tax rate is 25%, they would owe $250 in taxes on that income.