The Sandy Beach Inn is located on the Oregon coast and caters to an upscale clientele by offering such services as in$-$room massa wedding packages, and catered beach picnics. The Sandy Beach Inn is one of $10$ hotels owned by Beach Inns, Inc. Beach Inns, Inc.$\text{'}$ corporate overhead be allocated to its various service offerings because it is $a(n)$ activity.

should; product$-$level

should not; batch$-$level

should; customer$-$level

should not; organization$-$level