I need an step by step solution

Anastasia bought a 5%, $2500 15-year bond at a discount of 6%. She received a semi-annually dividend for 7 years, and then sold it immediately after the 14th dividend for $2100. a) Did Anastasia make the return of 8% per year compounded semi-annually that she wanted? Why Hints: draw cash flow diagram for bond investment (single project)