Totals Of Quantity per user and total of total sales per user in a report below

[Sales by User:5, 2, 2,1]
@{REPORT ORDER DETAILS:O.User.asc:(ODI=True):,}
@{REPORT ORDER DETAILS:O.MenuItemName,O.ExactTotal.Sum.desc:(ODI=True) and (OU=$1):{0}:,}
>>$1

>{REPORT ORDER DETAILS:O.MenuItemName,O.Quantity.Sum.desc,O.ExactTotal.Sum.desc:(ODI=True) and (OU=$1) and O.MenuItemName="$2"}
{REPORT ORDER DETAILS:'     '+[O.PortionName],O.Quantity.Sum.desc,O.ExactTotal.Sum.desc:(ODI=True) and (OU=$1) and O.MenuItemName="$2":2}