No excel, show equation

Gina just turned 25 and she is planning to retire at age 55. She plans to make 30 equal annual deposits into a retirement account and then withdraw $25,000 once per year for 30 years, beginning 5 years after the last deposit. The retirement account earns an annual return of 9%. 5) a) (5 points) Draw the cashflow diagram for this situation. b) (15 points) How much should the annual deposit be