Carlos has many customers in his company file. To improve navigation, he wants to clean up his Customers list by removing those he$???$s pretty sure won$?|?$t be coming in again. What$???$s the most efficient way for Carlos to do this?

Delete the unwanted customers.

Put an asterisk $(($:${?}^{**}\}$ before the unwanted customer names.

Edit the unwanted customer names to the names of new customers.

Mark the unwanted customers as inactive.