Your business needs at least a total of $20,000 in combined Bank of America or Merrill accounts to be eligible for the lowest Preferred Rewards tier. Members get access to additional rewards benefits and saving opportunities. Your rewards rates and benefits will vary based on your tier level.  Preferred Rewards for Business tiers:  Gold tier: Earns 25% more rewards on purchases (a minimum of $20,000 on deposit) Platinum tier: Earns 50% more rewards on purchases (a minimum of $50,000 on deposit) Platinum honors tier: Earns 75% more rewards on purchase (a minimum of $100,000 on deposit)