1-7 Calculating the Future Value of a Series of Amounts [LO1-4] Elaine Romberg prepares her own income tax return each year. A tax preparer would charge her $90 for this service. Over a period of 8 years, how much does Elaine gain from preparing her own tax return? Assume she can earn 2 percent on her savings. (Exhibit 1-A, Exhibit 1-B, Exhibit 1-C, Exhibit 1-D)