Theba and Marek have been married for nearly 20 years. They are both 45 years of age and have two children in high school. They are concerned about how to fund their future retirement costs, as well as how to help their children pay for college. Answer the following questions: (a) Assume that Theba and Marek have a combined annual income of $95,000. Also assume that they want to retire at age 67. If inflation-or the annual cost of living-increases by 3% per year, how much income will they need in retirement to maintain their current standard of living? (Round answer to 2 decimal places, eg. 52.75. Do not round intermediate calculations.) To maintain their current standard of living they need to carn\$