Aleena and Ike are employed by HD, Incorporated, which provides its employees with free parking. If the parking were not available, Aleena would pay $20 a month to a city garage. Ike uses public transportation to commute. HD offers a complete family medical plan to its employees in which both Aleena and Ike participate. Aleena's family consists of five people, while Ike is single. Consequently, Aleena's annual cost of comparable medical insurance would be $16,400, and Ike's cost would be just $8,200. Assume that Aleena and Ike cannot deduct their annual medical insurance premiums. Required: a. Aleena has a 24 percent marginal tax rate. How much additional salary must Aleena earn to individually purchase and cover the cost of parking and medical insurance? b. Ike has a 37 percent marginal tax rate. How much additional salary must Ike earn to individually purchase and cover the cost of parking and medical insurance