Exercise $18-4($Algo$)$ Classifying costs LO C$1$

Classify each of the following costs as either variable, fixed, or mixed. Costs are from a manufacturer of portable basketball hoops.

$\backslash$table$[[1.$ Factory supervisor salary, $$4,300$ per month,$],[2.$ Utilities, $$60$ per month plus $$0\mathrm{.}04$ per unit produced,$],[3.$ Assembly worker hourly wages,$],[4.$ Factory equipment depreciation, $$2,300$ per month,$],[5.$ Salesperson pay, $$2,300$ per month plus $6\%$ of dollar sales,$],[6.$ Factory insurance, $$1,800$ per month,$],[7.$ Screws to assemble hoops,$],[8.$ Factory rent, $$3,300$ per month,$],[9.$ Metal for rims,$],[10.$ Glass for backboards,$],[11.$ Office salaries, $$3,300$ per month,$],[12.$ Plastic for hoop bases,$]]$