Genent's Preserves currently makes jams and jellies and a variety of decorative jars used for packaging. An outside supplier has offered to supply all of the needed decorative jars. For this make-or-buy decision, a cost analysis revealed the following avoidable unit costs for the decorative jars: The relevant cost per jar is $2.31 per jar \$0.62 per jar $0.90 per jar $1.65 per jar