Lindsey and Charles are 35 years old; they plan on retiring at age 63 and expect to live until age 96. They currently earn $245,000 and expect to need $195,000 in retirement. They also expect that Social Security will provide $40,000 of benefits in todays dollars at age 63. They are saving $15,000 each in their 401(k) plans and just had a baby boy they named Timothy James or TJ for short. They want to save for TJs college education, which they expect will cost $20,000 in todays dollars, and they are willing to fund 4 years of college. They were told that college costs are increasing at 7% per year, while general inflation is 3%. They currently have $150,000 saved in each of their 401(k) plans, and they are averaging a 9% rate of return and expect to continue to earn the same return over time. Based on this information, what should they do?