The following procedure performed by a candy manufacturer is the best example of a product level activity within a manufacturing cost hierarchy:

Select one:

A$.$ Inspecting the quality of the candy produced during one of the special Halloween package production runs

B$.$ Cleaning the mixing machine for the next production run of candy, a special Halloween candy

C$.$ Developing an advertising campaign for a special Halloween candy

D$.$ Resetting the packaging equipment to wrap a special $36-$count Halloween package