Fixed, costs, don’t, change, with, output, over, the, relevant, range., Think, rent,, insurance,, or, salaried, staff., Variable, costs, do, change, with, each, unit., This, includes, materials,, packaging,, per-unit, labor,, and, payment, processing., Semi-variable, costs, have, a, mix., An, example, is, a, phone, plan, that, has, a, monthly, fee, plus, usage, charges.Pay, attention, to, the, phrase, "over, the,…
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