Brijmato Corporation requires Rs.45 million in cash for meeting its transaction needs over the next six months, its planning horizon for liquidity decisions. Brijmato currently has the amount in the form of marketable securities. The cash payments will be made evenly over the six month planning period. Brijmato earns 6 percent annual yield on its marketable securities. The conversion of marketable securities into cash entails a fixed cost of Rs.1,500 per transaction

What is the optimal conversion size as per the Baumol model ?