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Question 4 (1 point) Software Co. sells two versions of its product, Basic and Upgrade. Typically, it sells twice as many units of Basic as it does Upgrade. Per-unit revenues and costs appear below. Basic Upgrade Sales revenue $500 $800 Variable costs: Manufacturing 100 150 Selling 160 200 Contribution Margin 240 450 Fixed costs of Software total $465,000 per year. A) How many total units must Software sell to break even? B) Of this total, how many are Basic and how many are Upgrade