1) Classify the following costs and activities. Mark all that apply. Period Cost Direct Labor Indirect Labor Direct Materials Indirect Materials Factory Overhead | Spruce wood for guitar bodies Guitar strings Guitar assembly workers Corporate accountants Guitar pick-ups and electronics Rosewood for fretboards Marketing costs Travel expense to trade show Sandpaper to prep for stain and finish Factory electricity cost Administration electricity cost Factory shift supervisor Administration building property tax Machine lubrication grease and oil Janitor wages to clean factory bathrooms