Your crew has $32,580$ square feet of metal panel to install on the exterior of a building. You need to complete this work in $20$ working days. Each working day is $10$ hours long. For each crew member, one half hour of each day is spent completing the job safety analysis and morning stretching.Yourcompany's cost history database reports that each crew member typically installs $45$ square feet of metal panel per hour. Given these parameters, how many people minimum do you need on site to complete this work in the allotted time?