Geetanjali purchased some beads to make a garland. She had some packs of beads which contain 10 beads and some loose beads. Each bead costs 50 paise. On the purchase of 1 pack of 10 beads, she gets a reduction of Rs. 1. She purchased beads such that the total number of beads is the largest two digit even number. If she got maximum possible discount, how much money she has paid to shopkeeper?