Anton will be constructing a segment bisector with a compass and straightedge, while maxim will be constructing an angle bisector with a compass and straightedge. describe the similarities and differences between their construction steps

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?