Ollivanders Wands estimates that it can sell a standard wand for $125. the variable cost associated with producing the wand are $65 per unit. fixed costs of running shop on Diagon Alley are $425,000 per year. Ollivanders expects to sell 12,500 wands per year. it thinks itself accurate to within +/- 12%. Recalcualte the values under the best case and a worst-case scenario.