What is the accumulated value of periodic deposits of $50 at the beginning of every six months for 21 years if the interest rate is 2.51% compounded semi-annually? $0.00 Round to the nearest cent What is the accumulated value of periodic deposits of $50 at the beginning of every six months for 21 years if the interest rate is 2.51% compounded semi-annually? $0.00 Round to the nearest cent