draw a work break down structure with minimum of $20$ level $3$ activities using scrum method for implementing a ERP for a banking institute. it should have $6$ level $2.-$ Project Schedule: Define all of the work of the project $-$ Work$-$breakdown Structure $($WBS$)$ for all the activities in the project $($minimum $20$ activities$)$ with necessary tables. Include AON where SS dependency relationship are used at least $5$ places in the predecessors and it should between SS to SS$4.$