Indicate which of the following users are classified as internal versus external users.

$1.$

Purchasing manager

select a type of user

$2.$

Potential investor

select a type of user

$3.$

Internal Revenue Service

select a type of user

$4.$

Inventory control manager

select a type of user

$5.$

Supplier

select a type of user

$6.$

Quality control manager

select a type of user

$7.$

Chief financial officer

select a type of user

$8.$

Banker

select a type of user

$9.$

Warehouse manager

select a type of user

$10.$

Payroll supervisor