5)Assuming that the cost structure and selling price remain the same in Peroids I and II ,find out a)PV Ratio b)Fixed Cost c)BEP for sales djprofit when sales are Rs 100000 e)Sales required to earn a profit of Rs 20000 f)Margin of safety at a profit of Rs 15000 G) Variable cost in period II Period Sales Profit 120000 9000 140000 13000