Elementary students are on a field trip to an apple orchard in which all students will pick apples. All of the apples that are picked by the students will be placed together in a bin and purchased. Additionally, the teacher can choose to purchase either one or none of the following items:  Apple Cider  Apple Cobbler  Apple Pie Students may not purchase any of these extra items. Pricing Structure All purchases are made on the same day of the field trip. Apples  0  10: $0.50 each  11  50: $0.45 each  51  100: $0.40 each  101  150: $0.35 each  151  200: $0.30 each Extra Items  One gallon of Apple Cider: $8.00  One Apple Cobbler: $15.00  One Apple Pie: $10.00 The orchard makes the Cider, Cobblers and Pies on Sunday after closing; therefore, prices are reduced as the items age. Reduction schedule Purchase on:  Monday, Tuesday or Wednesday: Full price  Thursday or Friday: $2.00 off  Saturday or Sunday: $3.00 off There is a 7% tax added to the total purchase.