The U.S. government subsidizes the private provision of health insurance through employers. Benefits paid to employees are deductible as expenses by firms, but not recognized as taxable income by employees. Consider two employees, Ann and Bob, who work for two different employers. Ann earns $30,000, pays 15% in taxes, and pays $12,000 in premiums for health insurance offered by her employer. Bob earns $40,000, pays 25% in taxes, and has $12,000 worth of medical bills which he has to pay out of pocket, as Bob's employer does not offer health insurance. Which of the following is true about Ann and Bob's incomes?