1. Lena plans to invest 6,200 dollars in 2 year(s) and 6,300 dollars in 1 year(s). She expects to earn 14.24 percent, compounded quarterly. How much money does Lena expect to have in 9 years?
2. Ollie currently has 11,400 dollars saved and plans to make quarterly savings contributions of 11,500 dollars. His first quarterly savings contribution is expected in 3 months. Ollie expects to earn 12.8 percent per year. How many quarterly savings contributions of 11,500 dollars does Ollie need to make in order to have 260,584 dollars?