To show subtotals for transactions:
  1. Go to Mail> Forms> Statements.
  2. Open your saved parameter.
  3. Go to the Details tab.
  4. Add Transaction Date in the Sort by column.
  5. Mark the checkbox in the Subtotal column to the right of Transaction Date.
  6. Preview the statement.

To hide subtotals for transactions:
  1. Go to Mail> Forms>Statements.
  2. Open your saved parameter and go to the Details tab.
  3. Unmark the checkbox in the Subtotal column to the right of Transaction Date.
  4. Preview the statement.