on 1/1/01, sienna sunset, llc provided a loan to one of its partners, dorothy. in six years, dorothy will have to pay sienna sunset $500,000. if dorothy invests money semiannually in a savings account that pays an annual interest rate of 7.00%, how much will she need to deposit in the account every six months? (assume dorothy has no money in the savings account at 1/1/01 and her first deposit occurs on 6/30/01)