Adrian invested $800 at the end of every six months for 5 years. After the 5 years, Adrian reevaluated and felt comfortable increasing his investment to $1100 every six months for another 3 years into a fund that earns 2.85% compounded semi-annually. a) What is the total value of Adrians investment at the end of the 8 years? b) How much interest has Adrian earned over the 8 year term?