A shopkeeper is offering discounts for the festive season. The discount is based on a series. The following table depicts the first five combinations of this series. The purchase amount and discount are in rupees. How much is the discount for a purchase of Rupees 75,000? Purchase | Discount ≥151 and <301 | 19 ≥301 and <601 | 49 ≥601 and <1201 | 109 ≥1201 and <2401 | 229 ≥2401 and <4801 | 469