【单选题】At the end of each year, Lang and Sally Choate deposit $1400 in an IRA paying 6% compounded annually. How much will be in the account after 20 years?
【简答题】A manufacturer of prototyping equipment wants to have $3,000,000 available 10 years from now so that a new product line can be initiated. If the company plans to deposit money each year, starting 1 ye...