Tim wants to have 184.221 dollars in 6 years from today. He expects to eam a return of 4.72 percent per year. Tim plans to make regular savings contributions of X per year for 6 years, with the first of these regular savings contributions made later today. In addition, Tim expects to make a special savings contribution of 10,900 dollars in 3 years from today. What is the amount of Tim's regular savings contribution? Number Shelby currently has 12.600 dollars saved and plans to make annual savings contributions of 12,500 dollars. Her first annual savings contribution is expected in 1 year. Shelby expects to earn 8. 88 percent per year. How many contributions of 12.500 dollars does Shelby need to make in order to have 110,439 dollars? Number