John is managing a portfolio with various asset classes, including equities, bonds, and real estate. His target allocation is 60% equities, 30% bonds, and 10% real estate. Due to recent market fluctuations, the current allocation has changed to 70% equities, 20% bonds, and 10% real estate. John wants to rebalance the portfolio to restore it to the target allocation.

Which of the following actions should John take to achieve the target allocation?