Determine whether each cash receipts procedure is an internal control strength or weakness.

$\backslash$table$[[1.$ If a sales clerk makes an error in recording a cash sale, they can access the register's electronic record to correct the transaction.$],[2.$ One of the two employees tasked with opening mail is also the recordkeeper for the business.$],[3.$ The supervisor has access to both cash and the accounting records.$],[4.$ Receipts are given to customers for only sales that are above $$20.],[5.$ Sales clerks are not required to enter the sale in the register after each transaction. Instead, the company gives employees flexibility to enter$],[$sales at the end of the day or week.$],[6.$ The recordkeeper of cash transactions is also in charge of depesints$]]$