Karen Galactic, a sales representative for a large chemical company, gets paid a sales commission, that is$,$ a percentage of her sales. However, she has decided to spend less time traveling. She is going to spend only $160$ hours per month with her customers. To do this, she will have to give up some of her clients. The following information is from her last full month's sales activities.

$\backslash$table$[[,$Corporate,Small,Professional$],[,$Customers$($CC$),$Businesses $($SB$),$Partnerships $($PP$)],[$Number of customers,$10,50,80],[$Average sale per customer,$$2,000,$$$1,000,$$$500$