After deducting an RPP contribution of S2,000, Mrs. Blue has net employment income of $34,000 in the previous year. Her employer reports a Pension Adjustment of $4,500 on her previous year's T4. Her current year's RRSP contributions total $5,000. At the end of the previous year her Unused RRSP Deduction Room was $2,500. Required: What is the maximum RRSP deduction that Mrs. Blue can take on her current year's tax return?