$\backslash$table$[[$Task ID$,$Description,Time Needed to Complete,Notes$],[$A$,$Conduct Research,$3$ weeks,Must start today$],[$B$,$Write Plan,$3$ weeks,Can do while doing Task A$],[$C$,$Register Business,$1$ week,Can do while doing all other tasks$],[$D$,$Advertise Business,$2$ weeks,Can do while doing Task E$],[$E$,$Hire Staff,$2$ weeks,Can do while doing Task D$]]$

How many weeks will it take to complete this project?

ENTER INTEGER ANSWER