Paint Date and Insert drawing time object Insert Find ab Replace Select all Editing ght be missing or displayed improperly. 1 1 - 1 2 ! 1 1 w 1 . 1 5 Plank, the new owner of the vehicle accessory shop, is considering buying sets of winter tyres for $ 299 per set and selling them at $520 each. Fixed costs related to this operation amount to $ 3250 per month. It is expected that 18 sets per month could be sold. How much profit will Plank make each month? Hint: use the contribution margin approach