Adirondack Waterpark sells half of its tickets for the regular price of $75. The other half go to senior citizens and children for the discounted price of $35. Variable cost per guest is $15 for both groups, and fixed costs total $60,000 per month. What is Adirondack's breakeven point in total guests? Regular guests? Discount guests? OA. 800; 400; 400 OB. 2,000; 1,000; 1,000 OC. 1,500; 750; 750 D. 750; 375; 375