! Purchasing Problem ! Data file: pricebk.dat ! supplier, break no., unit price, break quantity 1, 1, 9.2, 100 1, 2, 9, 200 1, 3, 7, 1000 2, 1, 9, 50 2, 2, 8.5, 250 2, 3, 8.3, 2000 3, 1, 11, 100 3, 2, 8.5, 300 3, 3, 7.5, 4000