Why might a client lose features with a QuickBooks subscription downgrade?

The client might lose features with a QuickBooks subscription downgrade because certain features are only available in higher tiers of the subscription service. Each subscription tier is designed to cater to various business needs, with the higher tiers offering advanced functionalities that are not included in the lower levels. This tiered system allows clients to select an option that best fits their specific needs and budget, but downgrading means that access to some of these advanced features will no longer be available to the client.

The other options do not accurately reflect the nature of QuickBooks subscription tiers. A system error is not a reason for losing features; rather, it would be an unexpected technical issue. Forgetting upgrade features implies user oversight and does not represent the systematic tier structure imposed by the subscription model. Lastly, stating that all features remain the same regardless of tier contradicts the very premise of subscription tiers, which is to differentiate features based on the level of service subscribed to.