Elaine Romberg prepores her own income tax return each year. A tax preparer would charge her $110 for this service. Over a period of 7 years, how much does Elaine gain trom preparing her own tax return? Assume she can earn 4 percent on her sovings. (Exhibit 1. A. Note: Use appropriate factor(s) from the tables provided. Round time value foctor to 3 decimal places ond final answer to 2 decimal places